Alchemical Manuscripts in the British Library

Sloane 3000-3650


Go to Sloane 1-1000 / Sloane 1000-2000 / Sloane 2000-3000 / Sloane 3650-4000 / Other collections
Back to manuscripts.


MS. Sloane 3004.
Paper. Quarto. 124 folios. 17th Century.
1. Lucidarius transmutatoriae artis magistri Christophori Parisiensis. [Italice.] ff.1-32.
2. Ejusdem Christophori Apertorium. ff.32b-40.
3. Sumetta di Christophoro Parisiense 'de la transmutatione ad Andrea Veneto'. [Italice.] ff.41-58.
4. 'Littera di Christophoro Parisiense as Andrea ogni benedictione at e chiamata la medulla della sumetta'. ff.58b-62.
5. Compendio trino di Juanni Anglico de la experientia de la Trinita. ff.63-87.
6. A treatise on the Philosopher's Stone divided into four books; in Italian. ff.88-112.
7. An alchymical treatise entitles Fior delli fiori; in Italian. ff.113-115.
Begins: 'Vidi uno vecchio di mirabil-'.
8. Receptae quaedam alchymicae. ff.116-117.
9. Compendium S. Thomae de Aquino super secretis artis alchimae. ff.118-121.
Begins: 'Tuis rogatibus assidius frater karissime'.
10. Tractatus alter de Alchymia cui titulus Flor Florum. ff.121-124.
Begins: 'In nomine Jhesu etc. celeste nobis collatum'.
Tabula contentorum libra praefigitur.

MS. Sloane 3008.
Paper. Quarto. 70 folios. 15th Century.
1. Tractatus alchymicus, cui titulus, Rex Artus. f1.
Begins: 'Magister Expertivus Grecie et Marochie Episcopus, cujus fama-'. ff.1-65.
2. Tractatus de Arte notoria, cum figura Theologiae. f.66.
Begins: 'Salve, virgo, Mater trinitatis-'.

MS. Sloane 3051.
Paper. Folio. 14 folios. 17th Century.
'Interpretation de l'arbe de la Caballe'. ff.1-14.
Begins: 'Les choses sont congnoissabls de la meme maniere qu'lles sont de la diffinition-'.

MS. Sloane 3086.
Paper. Quarto. 109 folios. 17th Century.
1. The ninthe book of transmutation of the elements by Theophrastus Paracelsus. ff.1-9.
Begins: 'Lyke as we have spoken of the transmutations or alterations of other things'.
2. The tenth book, entitled, De gradationibus, by the same. ff.10-17.
Begins: 'We will then begine to speake of the gradations'.
3. A treatise on the Philosopher's stone, by the same. ff.17b-28.
Begins: 'To forge the philosophical stone througe Vulcanns the which we call Balsamum perfectum'.
4. An alchymical treatise, by the same, divided into two books, the first treating of fire and the second of tinctures. ff.28b-39.
Begins: 'In the name of God the Father etc, do I intende to writte of the true science of Alchimia'.
5. Versus quidam intitulati, 'Visum votum et conversio Fulberti Eremitae'. ff.40-47.
Begins: 'Vir quidam extiterat dudum Eremita
Fulbertus Francigena cujus dulcis vita'.
6. 'Opus Anexagoras, or his work upon Alchymy'. ff.48-53.
Begins: 'When philosophie bt dylygent stoodye was employed'.
7. To fix [Mercury] into [Silver]. f.55.
8. 'Practica vera Alkamia per Magistrum Ortelanum Parisius probata et experte sub anno Domini 1358, quam Johannes Dunbelii de Anglia excepit et compilavit e libris praefati magisterii in quantum brevius potuit de mandato Canonis de Walkensteyn Treverentis Archiepiscopi 1386'. ff.56-61.
Begins: 'Quatuor sunt species quae ad opus Elixerii pertinent'.
9. Quaedam de projectione. ff.62-65.
Begins: 'Nunc restat ultimum dicere de projectione'.
10. Processus quidam alchymici. ff.66-69, 75b-76.
11. Arnaldi de Villa Nova tractatus cui titulus Flos Florum. ff.69-75.
Exstat impress. inter opera, folio, Lugd. 1520. f.302.
12. Raymundi Lully liber lucis Mercuriorum. ff.77-79.
Begins: 'Per quamlibet litteram dicti alphabeti'.
13. A short treatise, entitled. 'Opus de Elixar ad album et ad rubeum'. ff.79b-81.
14. A treatise on the quintessence of all things divided into two books, the first treating of the vitues of herbs, etc, and the second of the general practice of medicines, curing and helping all man's infirmities. ff.82-98.
16. The golden table of Pythagoras, with spheres of Pythagoras, Plato, Alexander. ff.100b-107.

MS. Sloane 3116.
Paper. Quarto. 102 folios. 17th Century.
Belonging to the Library of Jacob du Poirier, of Amboise, in the year 1687.
1. 'Divers memoirs de deffunct Daniel Mignot Orfebre de l'Empereur Rodolphe et Rochelois de Nation' - consisting of receipts for the execution of various works in his art; written in high-German. ff.2-73.
2. Chemical and alchemical processes; partly in Latin and partly in French, ff.74-95.
3. Table of contents to the first portion of the volume. ff.96-102.

MS. Sloane 3117.
Paper. Quarto. 111 folios. 17th Century.
Quandam Jacobi du Poirier, Amboissensis.
1. Bernardi Comitis Marchiae Trevisanae liber de lapide philosophorum, in quatuor partes divisus. ff.2-84.
Exstat impress variantibus quibusdam apud Theatrum Chemicum; ed Argentorati, 6 tom, 1613. tom I p.748.
2. 'Epistola Magistri Arnaldi di Villa Nova ad Regem Neapolitanum'; super Alchemia. f.85-94.
Exstat impressa apud ipsius Arnaldi Opera; ed Basil fol 1585, col,2049.
3. 'Tabula smaragdina Hermetis Trismegisti philosophi'. f.95.
Exstat impressa cum commentario W. Chr Kriegermanni, 12mo , p.2.
4. 'Hortulani philosophi ab hortis maritimis commentariolus in tabulam smaragdinam Hermetis Trismegisti', with preface. ff.96b-108.
Praefigitur: 'Precatio Hortulani'.
Preface begins: 'Ego dictus Hortulanus ab hortis maritimis nuncpatus'.
Title Cap I: 'Quod ars alchimiae sit vera et certa'.
Begins: 'Dicit autem philosophus Verum, scilicet, est quod nobis data est ars alchimie'.
At end: 'Excussum Berne per Joannem Perreium Norimbergensem, 1545'.

MS. Sloane 3118.
Paper. Quarto. 66 folios. 17th Century.
Collectanea medica et chemica Jacobi de Poirier.
[15 alchemical items].

MS. Sloane 3119.
Paper. Quarto. 357 folios. 17th Century.
Collectanea Jacobi de Poirier, volumen alterum.
[about 30 alchemical items].

MS. Sloane 3120.
Paper. Quarto. 192 folios. 16th Century.
anno 1678 fuit Jacobi du Poirier à Ramis Turonensis Amboisiani.
[6 alchemical items].

MS. Sloane 3121.
Paper. Quarto. 128 folios. 17th Century.
Formerly belonging to Jacob du Poirier d'Ambroise, 'estudiant en medicine et en alchymie a Paris, 1676'.
'Lucidiare de Maistre Arnault de Ville Neufue' - in fifty-three chapters. Translated from the Latin by Barnabé de Cologne(?). ff.2-128.
Begins: 'Toutte nostre science, laquelle nous avons trouvée espendue en divers vollumes'.
At the end: 'Et pour ce que Mr Jean de Meun obscurement propose ce traicté en son livre, nous Barnabé ['Beviard'] de Colougne ['Noruegue'] avons scelluy esprouve et esclarcy par la maniere que dit est, et est vray'.

MS. Sloane 3132.
Paper. Quarto. 66 folios. 15th Century.
1. Tractatus sic intitulatus, 'Optima ars medicinalis', revera, Johannis de Rupescissa de Quinta Essentia Libri duo. ff.1-38.
Begins: 'Dixit Salomon Sapien. cap ViII.' Printed in Duodecimo, Basil 1597.
At end there is written: 'Finitus est presens tractatus de Quinta Essentia, anno Dni. MCCCCLXX.

MS. Sloane 3162.
Paper. Quarto. 34 folios. 16th and 17th Centuries. Written by various hands.
1. A treatise of Alchemy. ff.3-13.
Begins: 'In all manner of thynges that you that worke .... the laborer behoveth that the begynyng'.
2. Directions for making a charmed seal, in Latin. dated 30 January 1650, and signed Ja. Co. f.14.
5. Figures of retorts, furnaces, etc, with remarks on their construction, in Latin. ff.16-19.
8. Alchemical verses, forming the preface to a longer work. f.20b.
Begins:
'If thou will have a cunninge grete
A science of grete prise,
Give care to me and lkisten well
Then follow myne advyse'.
At the end: 'Finis praefactionis operis philosophici'.
10. Fragment of an alchemical tract; 16th century. f.23.
12. Quaedam tam ex Gebri Summa Perfectionis magisterii, quam ex Hieronymi Castellionei Cardani De Subtilitate secundo libro: 17th Century. f.26.
13 Various chemical, alchemical and medical receipts. 16th Century. ff.27-34.

MS. Sloane 3164.
Paper. Quarto. 40 folios. 17th Century.
1. 'The thirde booke of Naturall Philosophie, written by John Baptiste Porta, of Naples'. ff.1-16.
An English translation by F.O., of Porta's Magia Naturalis. The original in Latin was printed at Antwerp, 0ctavo, 1561.

MS. Sloane 3170.
Paper. Duodecimo. 105 folios. Beginning of 16th Century.
1. Sir George Ripley's Poem, entitled the Compound of Alchymie, with the Recapitulation and Admonition. ff.2-51.
Wanting the 'Epistle to King Edward the Fourth'.
Printed in Ashmole, p.107.
2. Table of the contents of the first four chapters, or gates, of Ripley's Compound of Alchemy. f.52.
3. Alchemical Processes. ff.53-62.
4. An Alchemical treatise; apparently imperfect at the beginning and end. ff.63-79.
The first chapter which occurs has the title 'Of causes of Sublimacion off Spirits'.
It begins: 'Folonyng owr perpus, wat cause eas of fyndyng of a sublimacion off spirits'.
5. Fragment of a chemical treatise, compiled apparently from the work of Cardan. ff.80-82.
6. Prophetical inscription copied from a 'wyndowe in glasse in the monasteri of Seynt Edmondesbury att the dissolution of the house; and after by Sir John Eyer Esquier cause to [be] paynted as you se, in all poyntes like to same'. f.84b.
7. Fragment of an alchemical treatise: apparently a portion of that described above, art 4. ff.86-105.
Begins: 'We have provyd spiritts to be likned most to bodys'.
Title of following chapter: 'An unyversall sermon of preparacion off imperfytt bodys'.
Begins: 'Of this that we have said afore itt schewill what itt to felle, and what is to lytyll'.

MS. Sloane 3171.
Paper. Duodecimo. 137 folios. 15th Century.
3. 'De formulatu philosophie evangelio domini nostri Jhesu Christi, et pauperibus evangelicis viris', libri duo, Rogero Bacon auctori ascripti apud MSS. Sloane 2320, f.73 ubi exstat hujus operis liber primus. ff.16-94.
Title Book I: 'De compositione quinte essentie omnium transmutabilium, in nomine domini nostri Jhesu Christi'.
Begins: 'Dixit Salomon sapientiae cap vii. Deus Dedit mihi horum scientiam veram que sunt'.
Title Book II: 'De generalibus remediis'.
Ends: 'quinta essencis, vel in ejus absencia aqua ardens'.
Cf. MS. Sloane 353.
5. Opus alchemicum. f.102.
Begins: 'Audite secreta que loquar et dilecti verba oris mei. Spiritus ubi vult spirat.'
At end: 'Finito libro reddatur gratia Christo, Secundum informationem parvi bosci'.

MS. Sloane 3180.
Paper. Quarto. 15 folios. 17th Century.
1. An alchemical treatise compiled from the 'Semita' of Albertus Magnus, and the 'Medulla' of Sir George Ripley; in thirty four chapters. f.1-11.
Begins: 'For because that in the setting forth of histories and other scriptures, as well sacred and prophaine'.
2. 'The draught of Albertus Magnus upon the worke of Science of Alchimie named 'Compositum de Composites'. ff.12,13.
Begins: 'Albertus saies thus, I will not hide the treasure that's given by the divine grace'.
Ends: 'good at all assayes, better than that of the mynes, etc'.
The following note occurs at the end: 'So thus is ended the draught of Albertus Magnus upon the worke or science of Alchimie named Compositum de Compositis. The which said litle booke or work I, Edward Dekyngston copied out verbatim as above written with the hand of Mr Morris; which said work was bound with the little booke of Mr Guyllyam Decenes that he sent to the Reverend father the Archbishop of Raynes, and was brought to me to coppie by Mr Anthony Brighame'.
3. An alchemical work, declaring the 'sayings of the ancient philosophers'. f.13b.
The commencement of the Prologue is wanting.
The Treatise begins: 'The first word of the philosophers is the production of the body into his first matter'.
Ends: 'And thus us our first masterie ended and determined to the laude and praise of Almighty God,Lord and King, world without end, Amen. This art or most secret science above said was accomplished, done and ended, at Roman Villa, beside Paris, the Fryday being in the year of our Lord God 1216; and was after had thus in communication mouth to mouth betweene the above said Reverend Father in God the Archbishop of Raines and the above named Mr Geylliam de Cenes, first answering of him by his essentiall and accidental questions, and after taught him by his aforesaid booke of practice; the which essentiall and accidental questions was copied out by Mr Edward Dekyngeston forth of an olde booke written with the hand of one John Morryse, practicsioner, that dwelt by St Joneses the 8th of March, 1582; and was brought unto me by one Anthony Brygeham, of whom I had this same aforesaid coppie; and also of his aforesaid essential and accidentall questions, which I also in like manner coppied out verbatim as near as I could'.
4. Of the Philosophers' Stone. f.15.
Begins: 'Venerable Father, incline thyne ears, and understand my words. viz., that mercury being decocted is the matter of all metalls'.
Ends: 'and the imperfect body is collered into the collour of the ferment'.
'O pious father, God increase in thee the spirit of understanding to perceive these things: and so thou hast the description of the Philosophers' Stone'.

MS. Sloane 3318.
Paper. Small Octavo. 17th Century.
Elementa Magica perfectissima Roberti Lombardi ordinis Minorum, Alexandriae professoris. ff.147.
A MS. part Latin, part English, with magical figures and diagrams.

MS. Sloane 3422.
Paper. Quarto. 77 folios. 16th Century.
1. Alchemical Receipts ; in French. f1b.
2. 'Le livre de venerable docteur Aleman Messire Bernard Conte de la Marche Trevisane envoye a tres excellent docteur Maistre Thomas de Bouliioigne, phisicien du Roy Charles huictiesme'. [Imperfect at end]. ff.2-21.
The original in Latin was edited by Gerardus Dorneus, Octavo, Basil, 1600.
3. 'pour donner son et poix a la lune et la faire tenir au verdet'. f.21.
4. 'Purgation et mundification des selz et alums'. f.21b.
5. 'Pour faire huille [et sel] de tartre'. f.21b.
6. Fragment of an alchemical treatise [Capp 7-11]. In French. f.22.
Title of 7th Chapter: 'Comme ingresse est donee a la pierre devantdite pour penetrer et taindre metaulx sur lesquelz elle est gectee'.
Begins: 'La cendre on terre devantdite est calcinee comme dessus est dict'.
7. 'Miniere perdurable'. f.24.
8. 'Miniere perpetuelle, pour convertir mercure en fin or a dous jugemetz'. f.24.
9. 'Leuvre du Cardinal de Medicis de Florence'. in Latin f.25.
Begins: 'Recipe vitrioli Romani libram j. 1/2'.
10. 'Leuvre d'une Duchesse de Bretaigne'. f.26b.
Begins: 'Vous prendreu une livre dor pigment'.
11. 'Fixation de lune par projection ung poix sur quatre'. f.28b-31.
12. 'Eau fort tingent pour la lune fixe sudite de Lespaignol'. f.31b.
13. Various chemical and alchemical receipts and processes, in Latin and Frnch. ff.32-62.
14. A treatise 'des troys choses par lesquelles se font toutes transmutations de corps metallins'. f.62b-67.
Begins: 'Vous deves seavoyr quil y a troys choses lesquelles font toutes transmutations'.
Ends: 'Il convertira tous les altra metaulx imparfaitz en fin argent'.
15. 'Multiplicatio lapidis'. f.68.
16. An alchemical process, 'ex Adonay scientia Almazar'. f.68.
17. Fragment of an alchemical poem; in French. f.69.
Ends: ' Rouge comme sang, car, sans faille,
Cest la fin de votre besogne'.
18 An alchemical poem [in French]. f.69.
Begins: 'Qui veult d'alkimye ouvrer
Pour venir a perfection'.
Ends: 'De quoy vous puissies avoyre joye
Et qui be luy doyve desplaire'.
19. 'Clavicula magistri Raymondi Lulii, philosophi sapientissimi, nihil occultando, sed omnia manifesto declarando; partly in French, partly in Latin. [Imperfect.] ff.69b-72.
The original in Latin, is printed in Theaturm Chemicum, Argent. 1613-1661. tom III, p.25.
20 La vraye calcination des deulx corps parfaitz propre pour mettre ez elixirz au blanc et au rouge, selon Maistre Arnould de Villeneufue'. f.73.
21. 'La maniere de faire les projectionis selon Arnauld de Villeneufue.' ff.74b-76.
22. Chemical receipts; in French. f.77.

MS. Sloane 3427.
Paper. Quarto. 73 folios. 17th Century In the hand-writing of Theodore Turquet de Mayerne.
1. Eisagoges Chemices [In Greek letters.], in three parts. ff.3-37.
First part begins: 'Alchymia (ut alteram ejus partem de metallorum transmutatione taceam), quatenus in medicina usum habet'.
Desinet pars tertia: 'his subsisto, et finem generalibus omnium medicamentorum praeparationibus impono'.
2. De virtibus olei de stibio seu antimonio; a Theophrasti Paracelso. [In German.] ff.38-47.
Begins: 'Stibium als die philosophi sagen so ist es componirt auss dem edlin Mercurialischen'.
3. Hermetis Trismegisti Tabula Smaragdina. ff.48.
Exstat impress apud Hermetis Trismegisti Tabula Smaragdina vindicata, per Wilhelmum Christophorum Kriegmannnum. 12mo p.2.
4. Recepta et processus pro virtutibus medicinalibus ex vegetabilibus, animalibus et mineralibus extrahensis. ff.50-73.

MS. Sloane 3457.
Paper. Duodecimo. 487 folios. 15th Century.
[62 items].

MS. Sloane 3461.
Paper. Octavo. 121 folios. 17th Century.
1. 'La Turbe, ou Lassemblie des Philosophes, apellée le Codi ou Regle de verité dans l'Art'. ff.1-26.
Cf. Theatrum Chemicum, Argent, 1622, Vol V. p1.
2. 'Lettre du Sage Pontanus sur la Pierre des Sages'. ff.27-31.
Epistola Johannis Pontani de lapide philosophorum exstat cum opusculis quibusdam chemicis, Francofurti 1614, et alibi.
3. The Epistle of the abbreviation of the blessed stone of Raymund Lully. ff.32-42.
4. 'Discours de la nature du Mercure et du Chemiste et de la nature'. ff.43-53.
5. 'Le Texte d'Alchymie et le Songe verd'. ff.54b-79.
6. 'L'ancienne Guerre des Chevalliers ou entretien de la Pierre des Philosophes avec l'or et le Mercure'. ff.80-91.
7. 'La Fontaine des amoureux de science'. ff.92-109.
Printed in 8vo Lyon 1571.
8. 'Le Sommaire Philosophique de Nicholas Flamel'. In verse. ff.110-121.
Printed in Latin prose, in the Musaeum Hermeticum, p.172.

MS. Sloane 3505.
Paper. Quarto. 239 folios. 17th Century.
4. 'Liber alius domini Gilberti North'. ff.172-239.
Among the collections under this title may be distinguished.
a. An alchemical work, called 'the soule of the planets'. ff.200-205.
b. 'Aurum potabile a domino Richardo Comite Palatino, in July, anno 1572 Ludovico Palatino transmissum; quod ipse dua preparavit et fit hoc modo'. f.206.
c. 'Tinctura auri a domini Quercetano cuidam magnati aliquando communicata'. f.207.
d. Various receipts for making 'aurum potabile'. ff.208b-214.
e. 'Aqua vitae Regis Frederici 3, Romanorum Imperatoris, qua vitam suam Deo benedicente diu sustentavit, siquidem imperio Romanis praefuit, quamquam factus descriptus'. ff.214ff-218.

MS. Sloane 3506.
Paper. Folio. 114 folios. 17th Century.
1. 'The Essential as wel as the accidental Questions of Arnold de Villa Nova to Pope Boneface the Eighth', upon the Philosopher's Stone. f1-8.
In Theatrum Chemicum, 1613, Vol IV, p622.
2. 'The Mirror of Alchymy, by Arnold de Villa Nova'. f9-32.
In Theatrum Chemicum, 1613, Vol IV, p584.
3. English translation of the tenth book of Theophrastus Paracelsus' Archidoxes. f33-36. [Sudhoff, 62.]
4. 'The philosophical canons of Paracelsus.' f37-41.
5. English translation of Roger Bacon's Speculum Alchemiae. f42-46.
In Theatrum Chemicum,1613, Vol II, p377.
6. The axioms of the twelve Gates of George Ripley. In English. f47-52.
In Theatrum Chemicum Vol II, p110.
7. Anonimi Verbum demissum; or the hidden and never revealed word of the Philosophers. f53-64.
8. Process of the transmutation of metals into gold, by sulphur; extracted from the 'Disquisitio Helianae'. f65.
In Theatrum Chemicum Vol IV, p360.
9. An alchemical process, extracted from Gaston Claveus' 'Apologia Argyropoeiae et chrysopoeia'. f66.
In Theatrum Chemicum Vol II, p36.
10. English translation of Nicholas Flamel's Summarium Philosophicum. f68-71.
In Musaeum Hermeticum reformatum, 1678, p.172.
11. 'The practice of Mary the Prophetesse'. f72.
Begins : 'Aros, the philosopher, meet mary the prophetesse the sister of Moyses.'
12. 'The Allegory of Merlin.' f74.
Begins : 'A King intending to conquer a mighty people prepared himself against them for war'.
13. Potestas divitiarum of Raymund Lully, in English. f76-84.
Begins : 'In the name of the Lord Amen. The Philosopher says, take our blessed stone, which is no stone.'
14. 'Liber trium verborum of King Calid'. In English. f85-87.
Begins : 'Of the quality of the philosophical stone. The Stone out of which this work is made has in itself all the colours.'
15. Liber secretorum Alchimiae of King Calid the son of Sazichi. In English. f88-96.
Begins : 'Glory be to God the Creator of all who has teached us and given us intelligence and science.'
16. 'A treatise concerning salt nitre.' f97-114.
Begins : 'Courteous Reader, a little time ago in my peregrinations I layd in the way 3 several stones.'

MS. Sloane 3523.
Paper. Folio. 63 folios. 17th Century.
Tratado de los metheoros o transmutaciones que los elementos hazen unos con altos con sus causas y affectos, divided into six parts and having a table of contents. ff.1-63.

MS. Sloane 3546.
Paper. Quarto. 29 folios. 17th Century.
'Apographum epistolarum Michaelis Sandivogii, I.I.P.I Cosmopolite vulgo dicti, de re alchemica tractantium et anno 1616 scriptarum. ff.1-29.
'Manuscriptum hoc Epistolarum venditum fuit; Londini, domino - Fabro, per Matthiam Cettner, pretio 25 guinees. Huic vero Cettner vendendae fuerunt datae, a sorore uxoris Sendivogii, post mortem utriusque, Sendivogii scilicet et suae conjugis, viduae olim Sidonis, natione Scoti, adepti et Warsovii olim captivi et e captivitate redempti consiliis et auxiliis ipsius Sendivogii, tum Regis Poloniae a consiliis; cujus Sidonis scripta Sendivogiis (ut creditur) pro suis, post fata illius, et tunc maritus derelictae conjugis, edidet et divulgavit. Cettner vero ille vixit inter Bohemos metallurgus, sic Fraser mihi retulit Scotus Capitaneus.' See another example in MS. Sloane 1724.

MS. Sloane 3549.
Paper. Quarto. 45 folios. 16th Century.
1. Figures of vessels to be used in sublimating vegetable matter. f.1b.
2. Treatise of the philosophers' stone, [in French]. ff.3-20.
Begins: 'Au nom de la Saincte Trinite, pere, filz et Saint Esprit. Amen. Illustrissime pontife jay delibere moyenant la grace de Dieu te descrire apertement la grande vertu'.
3. 'Espitre d'Alphide envoyee au Roy Memphis, contenant toute l'euvre du grand magistere'. ff.20b-25.
Begins: 'O roy escoute les paroles des sages en cest euvre plus divine que humaine'.
Ends: 'et mandict par les seigneurs de la science pourtant je me taiz et ne metz point mon nom en ce livre'.
4. Table of the proportions of the component properties of the different metals. f.26.
5. 'La preparation du vitriol'- 'prinse de Paracelse, en son livre intitule Aurora philosophorum, cap 13'. f.26b.
6. Miscelleaneous chemical and alchemical processes. [In French.] ff.27-41, 44,45.
7. Processus alchimici 'ex quaedam veteri charta quam reperi in libro collectaneorum Jacobi Comitis'. ff.42-43.

MS. Sloane 3574.
Paper. Octavo. 130 folios. 17th Century.
Processus chymici, alchymici, metallurgici, etc., domino Hugoni Platt, in Catalogo MS.to conjecturaliter adscripti. ff.1-130.

MS. Sloane 3579. Vellum. In Octavo. 50 folios. 16th Century.
1. A few rules and principles in the science of Alchemy. f.1.
2. A treatise by G. Ripley, entitles Liber de lapide animali: a portion of a larger alchemical work; apparently translated from the Latin original. ff.3-16.
Begins: 'Ad dei laudem et ejus honorem omnia semper fiant. Amen. Et igitur in nomine patris et filii et Spiritus Sancti hic incipit liber de lapide animali; Without help of which stone the mynerall stone ne every other stone'.
3. A treatise of the Philosophers' Stone. ff.17-40.
Begins: 'This precious tresour may be founde by grace and kennying and a right light'.
4. A treatise of the mineral stone; a portion of the same work as the Liber de lapide animali, described in art 2. ff.41-49.
Begins: 'Nowe here, accordyng to my promesse folowyth the werking of the minerall stone'.

MS. Sloane 3580 A, 3580 B. Two volumes. Paper. Octavo. 240 and 222 folios. 16th Century.
Written by the hand of the compiler in the year 1580. [The second volume was numbered erroneously in the original MS. Sloane Catalogue as 3743].
A collection of chemical and alchemical treatises and processes made by Thomas Potter, and entitled by him 'Volumen Collectaneum'.
Vol I.
1. A table of the various denominations and symbols of the septem metals. f1.
2. 'A copy taken oute of a very olde written boke touchinge the golden table', etc., of Pythagoras; for prognosticating future events. f3-6.
3. 'Ars Chemica, quod est licita recte exercentibus, probationes doctissimorum jurisconsultorum'. f8-23.
Tractatus typis excusus, ed. Argentorati, in 8vo, 1566. with MSS notes.
4. 'Tabula Smaragdina Hermetis Trismegisti, peri ChmeiaV. Incerto interprete.' f23v-31.
With the commentary of Hortulanus; typis excusus, ed. Argentorati, in 8vo, 1566. with MSS notes.
5. 'Liber Consilii Conjugii de massa Solis et Lunae cum suis compendiis. f31v-139.
Typis excusus, ed. Argentorati, in 8vo, 1566.
6. The Compound of Alchymiae by George Ripley, Canon of Bridlington; 'copied out of a very falsse corrupt copy of a rugged hande, by me Tho. Potter, 1579, together with the marginall notes of the same copie'; and afterwards corrected by a purer copy. f140-166. [Printed in Ashmole's Theatrum Chemicum Britannicum, p.107.]
7. Chemical and alchemical processes. f167-183.
8. The process for making gold; written by Robert Birport, monk of Ford, in the year 1406. f184.
9. Alchemical processes. f186-190.
10. 'Rules for the understandinge of alchymie, etc.' f191.
11. 'A Book entytaled the Myrror of lighte'. f193v-208.
Begins : 'In the name of the Trinitye
This worcke nowe begyn shall we.'
12. 'A secret of Fe. Ellyas to dissolve Sol, called his glas.' f206v.
13. 'The makinge of Person, that dwellte in Flet Strete, his medycine pro Sol.' f209.
14. 'Jhon Wrightes worckinge as he teachethe pro Sole et Luna.' f209v.
15. Alchemical processes. f210v-214.
16. 'The whole worcke of the composytion of the stone philosophicall or greate Elixir.' f214v-220.
Begins : 'Firste the solutyon of the grosse bodie. Firste take xxxli weighte of Siricon, which will make xxi li of goom.'
17. Chemical and alchemical processes. f220v-231.
18. Figures of retorts and other vessels used in chymical operations. f231v.
19. 'To knowe fytt tymes for the begynning of any thinge that thow willte doe.' f233v.
20. 'Spera Pythogorae', to divine future events. f234.
21. Alchemical tables; copied from Ripley by Thomas Potter, 1580. f237-239.
Vol II.
1. 'Secrets of Alchymy; copied, anno 1580, oute of a booke once belonginge to one Spencer, an Allchimyste.' f1-23.
2. Fragments of George Ripley's Compound of Alchemy. f24-27.
3. Chemical and alchemical receipts. f28-60.
4. 'The Ordinall of Alchymy; authore T. Norton; copied oute by me Th. P. 1580; but the marginall notes by myne owne.' f61-118.
5. 'De mercurio et lapide philosophorum' - the English treatise by George Ripley, so intitled. f120-130.
Printed in Ripley's Works, Cassellis, 1649.
6. 'Opus de Magistri et Discipulo' a portion of an alchemical treatise 'copied oute anno 1580, by me Th. Potter, oute of a copy that lacked leaves in the ende, and so this treatise maymed.' f131-135.
7. 'The Marowe of Philosophy, compiled by George Ripley, Cannon of Brydington: copyed by me Th.

MS. Sloane 3604.
Paper. Folio. 293 folios. 16th Century.
Described as in the hand of Robert Frelove.
Raymundi Lullii opuscula quaedam: scilicet-.
1. Compendium artis, sive tractatus super Testamentum et Codicillum; divided into two parts. ff.1-14.
2. Tractatulus alchymicus de lapide philosophico. ff.15-23.
Begins: 'Fulgeat Regis diadema Roberti illustrissimi usque ibi'.
3. Tractatulus cui titulus Lapidarius. ff.23b-30.
4. de generatione lapidum. ff.31-39.
5. 'Practica sermocinalis que dicitur ars brevis seu practica operis minoris'. ff.39b-56.
6. Questiones arboris philosophalis, etc. ff.56b-61.
7. Questiones de Paulina. ff.61b-64.
8. Distinctio tertia tractatus arboris philosophalis cum ejusdem operis practica. ff.65.93.
9. Distinctio quarta tractatus precedentis. f.94.
10. Codicillus, sive Vade mecum. ff.97-106.
Exstat impress. 8vo Rothomagi, 1657, p.1.
11. Practica. ff.106b-141.
12. Processus alchymici. ff.142b-145.
13. Testamenti pars prima, sc. Theorica, cum paucis annotationibus. ff.146-219.
14. Practica, sive secunda pars testamenti. ff.220-287.
Exstat ibid, p.248.
15. Alphabetum theorice, practice, etc. f.288.
16. Cantilena, f.291.
Impress 8vo. Basil. 1572. p.169.
At f.299b it is noted: 'Hic liber valet viginti libras legalis monete Anglie'.

MS. Sloane 3613.
Paper. Folio. 172 folios. 18th Century.
1. The Turba of the Philosophers, which is called the book of Truth in the Art. ff.1-43.
The Turba Philosophorum is printed in Latin in the Theatrum Chemicum, Argent. 1622. Vol V. p1.
2. The Assembly of the Philosophers, commonly called the Turba, at Basil, 1610. ff.44-114.
Note prefixed: 'As for the antiquity of this book we find it quoted by Avicenna'.
3. The Golden Fleece or the Flower of Treasures by Solomon Trissmosin, translated from the German into French by L.J.; by Charles Sevestre in St James Street, 1613. ff.115-172.
Printed in German and in French.


MS. Sloane 3614.
Paper. Folio. 178 folios. 17th Century.
1. A dialogue entitled Lignum Vitae or the wood of life, in which also a short exposition of the Philosopher Geber is contained, written in Italian by John Bracescus, of Brixia, and translated into Latin by William Grattaroll. ff.1-120.
Printed in Italian and Latin.
2. The Correctorium Alchymiae by Richard de Glanvillae, or Ricardus Anglicus, translated into English. ff.121-155.
Printed in Latin in the Theatrum Chymicum, Argent. 1659, Vol II. p.385.
3. The Vade Mecum of Raymund Lully, translated into English. ff.156-170.
Printed in Latin.
4. The Repertory or Inventory of Lully. ff.171-173.
5. The significations of different letters, in the fourth volume of the Theatrum Chymicum of Strasburg in the practicall part of Raymund Lully's first testament page 156. ff.174-178.

MS. Sloane 3629.
Paper. Quarto. 229 folios. End of 17th Century.
1. 'Hortus Divinitarum- The garden of the riches of all the divine knowledge, divided and described in 20 chapters'. ff.1-9.
The prologue begins: 'In the name of Christ, of the living sonn of God, I will describe and make a book, in which I will declare perfectly-'.
The first chapter begins: 'Of the Knowledge and revelation of the materie and thing of the philosophers, out of which the highest magisterium of the philosophicall stone is made. Attend yee sons, and know the naturall roote and the noblest hearbes of the philosophers'.
2. The second book of a general alchemical works. ff.10-14.
Title: 'Of the philosophers' Mercurie, their tincture and ferment'.
The prologue begins: 'In the first book we have mentioned of the Spirits of metalls and their tinctures'.
The first chapter begins: 'Hee that will make the tincture of metalls hee must first take the philosophers mercurie'.
3. 'Arcanum de multiplicatione philosophica'. [In English]. f.15.
Begins: 'First of all you must know that there hath been very few among the philosophers which have known the multiplication'.
4. A prose translation, apparently of some portion of an alchemical poem in a foreign tongue. They relate to the following processes, 'Of the Dissolution', 'Compositione', 'Of the Augmentation', 'Of the Projection'. ff.17b-20.
5. Translation of portions of Dr Henry Khunrath's 'Philosophische erkarung von und uber dem enserem Philosophischen Fewer': beginning in page 50 of the edition printed at Strassburg, in Octavo, 1608. ff.21-29.
6. 'Lettre d'un philosoph sur de secret du Grand euvre; escrite au sujet des instructions qu'Aristee a laissée a son file touchant la Magisterie Philosophique'. 1688.
The name of the author, in Latin, in contained in the following anagram 'Dives sicut ardens'.' ff.31-38.
7. Chemical processes. f.39b.
8. A declaration of the work of the philosopher's stone. ff.41-44.
A prologue begins: 'O most holy and glorious God, who to our weake cappacities art incomprehensible'.
The process begins: 'First then thou art to observe that our most secret matter by which we attain to the stone'.
The following note occurs at the end: 'Transcribed by me John Davies July the twenty seaven, in the yeare of our Lord God, 1690.'
9. 'The Golden Banquit of nature, provided for the sonns of art; or a treatie of God and its restration'. f.44b.
10. Alchemical processes. ff.46-61.
11. 'The Hermetick Tomb opened'; a translation of a portion of the first, with the third, fourth and fifth chapter of the 'Tumulus Hermetis apertus' by Pantaleon. ff.63-77.
The original Latin version was printed in octavo at Nurenberg, 1676.
12. 'Some things taken out of Panteleon's Byfolium metallicum or twofold medicine for infirm men'. ff.79-89.
13. A translation of the first two chapter of Pantaleon's Examen Alchymisticum. ff.90-97.
The original Latin printed at Nurenberg Octavo, 1676.
14. Medical, surgical, alchemical and chemical receipts. ff.98-161.
15. 'Notes of the art of Jewelling'; many receipts collected frpom the practice of living artisana. ff.162-174.
Begins: 'The 9 of August 1649 Mr Mills sett me to polish and to grind christalls'.
16. Receipts in medicien, surgery, chemistry and alchemy; collected from living practitioners, in the years 1649-51. f.175-197.
17. 'Some experimental observations on preparing the regulus of antimony.'. ff. 198-201.
18. The answer of Theodorus Mundanus to the letter of a correspondent in England; containing an apology for the study of alchemy and explanations of some of its mysteries. Dat. Paris, 10 Oct, 1684. [French]. [copy].
ff.202-229.

MS. Sloane 3630.
Paper. Quarto. 113 folios. 17th Century.
It belonged to Richard Dee in the year 1648. Bound with MS. Sloane 3631.
1. English translation of the 'Traittez de l'Harmonie, et constitution generale du vray sel, secret des Philosophes, et de l'esprit universelle du monde, suivant le troisieme Principe du Cosmopolite; recueilly par le Sieur de Nuisement'. ff.2-69.
Printed in French, ed La Haye, 8vo 1639. The present is a different translation from that in print by Robert Turner.
2. English translation of the alchemical treatise by Albertus Magnus, intitled 'Compositum de Compositis'. ff.70-74.
The Latin version is printed in the Theatrum Chemicum, ed in 6 vols, Argent, 1613-1661. Vol IV p.929.
The following note occurs at the end: 'The which said little booke, or work, I. Ed. Dickingstone copied out verbatum, as above written, with the hand of Mr. Morryse; which said work was bound in, with the little book of Mr Guillyain de Cenes, which he sent to the Reverend father in God the Bishop of Raynes, and was brought unto me to coppy by Mr. Anthony Brighame.
3. 'A treatise of Count Treverson [Bernardus Comes Marchiae Trevisanae], called in French, A word left, bequeathed or sent, etc'. ff.75-86.
Printed in French, in the Bibliotheque de Philophes Chimiques; v vol. 8vo. Par. 1741-54. Vol III. p.400.
See another copy. MS. Sloane 3771, f1.
4. A portion of the First Gate of George Ripley's Compound of Alchemy; treating of Calcination; in English prose. f.87.
5. 'The Fountain of Chymicall Philosophy'. ff.88-101.
Printed in Latin, in the Museum Hermeticum reformatum et amplificatum; ed Francofurti, in 4to 1678. p.799.
6. 'Sandivogius explaned': an exposition of the 'Tractatus duodecim de Lapide Philosophorum' of Michael Sendivogius. ff.102-112.
Begins: 'Page 1. Line 7th The Anthients studied nature most, but we study speculation; whence many of their inventions are lost'.
7. Alchemical Verses f.113.
Begins:
'Silver most certainly it hath a mine
And gold a place wher some men doe it fine'.

MS. Sloane 3631.
Paper. Quarto. 63 folios. 17th Century.
Bound with MS. Sloane 3630.
1. The third book of an alchemical treatise. ff.1-17.
Begins: 'I have in my too preceding tracts so manifestly declared that art which was kept so secret by the ancient philosophers'.
2. The preface to an alchemical treatise, of which only part of the first chapter remains. ff.18-20.
Begins: 'By the grace of God I have already writ several treatise as wel in Latin as German'.
3. A treatise, apparently of the philosophers' stone imperfect at the commencement. ff.21-36.
Begins: 'As nature of the light of the sun and the aridity of the aire doth produce heate and sometimes [Fire]'.
Ends: 'In the mean time let us conclude with the words of Paracelsus in his Chirurg. Min. Tract. 2vo de contracturis, page 115' etc.
4. 'Method how to draw the tincture of corall'. f.37.
5. 'Menstruum for to extract the salt of pearles and corall'. f.38.
6. 'Propostions disposed by method consearning solar and lunar amalgam fixed by digestion'. ff.39-45.
Begins: '1. Quicksilver is the true seed of mettalls'.
7. 'La Piere Animalle, tire d'une manuscrit trouve ches Mr. Roganne, auditeur de compts e Paris'. f.46.
Begins: 'Prenez ce qui n'est pas accomplie de l'animal qui est une substance rouge et vermeille'.
9. An exposition of George Ripley's Compound of Alchemy, in a letter from E.K. [Edward Kelley 'to his sworne brother T.M.' Dated Fulhame, 3 March, 1632. ff.51-63.

MS. Sloane 3632.
Paper. Quarto. 187 folios. 17th Century.
1. A work of the philosophers' stone. ff.2b-8.
Begins: 'Acetum [alchemical symbol] Philosophorum. 1. Rx [Mercury]vive, clens it well by washing it'.
2. 'A booke of the transmutation of mettals made by the noble lord Bernard Earl of Treviers and Naige in Germany'; inscribed 'To the famous Doctor Thomas of Bononia, governor of France'. ff.10-27.
A translation of part of the Liber de Alchemiae of Bernard Trevisanno; from the middle of the Second Part (page 757 of the printed copy) to the end of the work. Printed in Latin in the Theatrum Chemicum. ed Argentorati, 8vo 1613-31, vol I, p.748.
3. The work of the Philosophers' stone; in fifteen processes, taken from ancient authors. ff.28-40.
4. 'A plain methodicall Declaration of Geber's Three Medicines; in which is contained the true way and perfection of the Philosophers' Stone; translated out of the Latin.
Printed in Latin, as the first division of a work entitled 'Opus Tripartitum de Philosophorum Arcanis: auctore anonymo, sub nomine Aeyrenaei Philalethes, natu Angli, habitatione Cosmopolitae' ed . Londini, in 8vo, 1678.
5. 'Of the natural principles and procration of mettalls'. f.109.
6.'Remarks taken out of Cornelius Agrippa'. ff.111-114.
7. Notes upon Geber's Three Medicines. f.116b.
8. Table of principal matters contained in art. 4. f.117b.
9. A treatise 'De Lapide magno' [In English] . ff.121-132.
Begins: 'Take of the cleanest and clearest sea salt as is made by the sea itself such as is brought by shipping from Spain'.
ends: 'and which I have seen with my eyes and with my own hands extracted. Fare well and the Blessing of God be with thee. Amen and Amen'.
10. Memoranda of chemical experiments, made in June 1702. f.132b.
11. Chemical processes; endorsed 'The writing of Robert Kellum'. ff.133-138.
12. 'A practice of Sir George Ripley, which he sent in writing to his Master before his Journey'. ff.139-142.
At the end: 'By your chaplaine, Sir Geo. Ripley, Channon of Bridlington,and Curat of Flaxbridge Churche'.
In the same handwriting as the preceding.
13. 'A process given by an German'. f.143.
14. A tabular treatise of the 'three Principles which originally constitute the world'. f.146b.
15. '[Pneuma Poieseos Catholicon] : or, The universall Spirit of Poetry; comprehending the most sublime notions in Theology, Physiology, Astronomy, Astrology, and Geography; mixt with diverting satyr on a tribe of Pretenders, and allso illustrated with the truths of Hermes, learnedly described in severall Raptures thro' all the Heavenly Orbs. Writ by a person of Quality, under the fictitious name of Torescissa'. In three parts. In another title page the poem is called Hermetick Raptures'. ff.148-151.
Prefixed to the poem are the following:-
a. 'The Publishers epistle to the Reader'. f.149.
b. Latin verses in praise of the author; signed with the initials J.D. f.152.
c. A letter to the Reader justifying the qualities ascribed to the poem in the title page; and shewing that it was written in the year 1703. Signed Robert Kellum (?); subsequently scratched through. f.155.
d. 'The Authors epistle to the Publisher'. ff.158-187.
Part First begins:
'Nature's arcana lay before my eyes,
And I, unrav'ling her hid mysterys'.

MS. Sloane 3633.
Paper. Quarto. 73 folios. 16th and 17th Centuries. 1. English version of the Fons chemicae philosophiae, by Philalethes. ff.1-7.
Printed in Latin in the Musaeum Hermeticum reformatum et amplificatum. Francofurt 1678, p799.
2. 'A short manuduction to the heavenly Rubie of the philosopher's stone, and the secret thereof', by Philalethes. f.7b-16.
Printed in Latin, as above p.775.
3. 'A coppy of verses found in a tombe, in a pot of oile, neare the town of Leek in Staffordshire'. f.16b.
Begins: 'When thousand, hundreds six and forty's two are gone'.
4. 'Ripley's Epistle to King Edward unfolded', exposition of George Ripley's Compound of Alchemy. f.17.
5. Notes taken out of John Rudolph Glauber's Colloquia nonnummorum Hermeticae Medicinae studiosorum. f.20.
6. Note 'taken out of the 2nd part of Pharmacopea Spagirica'. ff.23-33.
7. 'The book of the xii glasses of Hermes'. ff.34-47.
Begins: 'He whos father is a virgyn sayth; come my welbeloved that we may embrace'.
8. An alchemical process. [Imperfect]. f.47b.
9. 'Raimunde Lully his boke named the Light Mercuris'. ff.50-53.
Begins: 'In the name of God take cleare white wyne, stronge and odoryferouse-'
10. Various chemical and alchemical processes, from Paracelsus, Quercetanus, Rupescissa, Ulstadius, and others. ff.56-73.

MS. Sloane 3634.
Paper. Quarto. 89 folios. 16th and 17th Centuries. Bound with MS. Sloane 3633.
5. Sir George Ripley to the Archbishop of Yorke. f.78b.
Begins: 'Yee shall take of pure fine [gold] the weighte of an olde Edward noble-' At the end: 'Your poore chaplaine, Sir George Ripley, Chanon of Bridlington, fermer and curat of Fixforthe Churche at Fixforthe'.
6. Chymica philosophia. f.76b.
Begins: 'Ome componitur ex in eo quod resolvitur, sententia est omnium sanorum philosophorum-'
8. 'De 5te essentia vive, per collectionem ex Ulstadio, Baptista Porta et Paracelso'. f.72b.
9. Alchemical Receipts. ff.70b-66.
14. Chemical, alchemical, and medical receipts and processes. ff.39b-30.

MS. Sloane 3636.
Paper. Quarto. 203 folios. 17th Century.
The name of John Nowell is written on the flyleaf.
7. A declaration of the secret of making gold; in the form of a lette, inscribed 'To my loving cozen and son the tere Hermetik Philosopher T.H.U.O. ff.100-114.
Begins: Dear loveing cozen and son, tho I had resolved never to give in writing to any person the secret of the ancient sages-'
Ends: 'Allso I have subscribed this testament with my blood, the last day of my life on my death bed - Actum Leyden, 27 of March, 1672'. Signed at the end 'T.G.M.'
8. Various alchemical processes. ff.116-128.
9. 'A singular treatise of Bernhard Count Trevisan, concerning the Philosophers' Stone'. ff.131-134.
Begins: 'Considering the long desires and hopes of the students in the Chymick Art, I will in the present tractate breifly and openly declare this Art'.
12. Various alchemical processes. ff.153-166.

MS. Sloane 3637.
Paper. Folio. 170 folios. Beginning of 18th Century.
1. English translation of an alchemical treatise, entitled 'Radix ab Umbra' or 'Restrictus Theoricus', of an author whose name in contained in the following anagram. 'Si nostri Velleris Fumus, Ac mira hic Arcana pando'. ff.1-36.
The Latin version is printed in the Ginaeceum Chimicum, ed Ludguni, 8vo 1679, p.368.
2. 'A Dialogue; or Questions put by an Adept Master to a certain Scholar, with his answers'. ff.37-56.
Translated from the Latin, which is printed as above. p,397.
3. 'The Epistle of Haimo, concerning the four Philosophicall stones taking their matter out of the lesser world'. ff.57-64.
A translation from the Latin, which is printed in the Theatrum Chemicum, Vol VI. p.497.
4. 'The Summ of the German Rhymes concerning the universal work proceeding out of heaven and earth. ff.65-69.
Printed in the Theatrum Chemicum, Vol VI. p.511.
5. Extracts from 'Le grand esclaircissement de la Pierre Philosophall. Printed, Paris, 1628. But pretended to be written, July 7, 1466; and said to be [Nicholas] Flamell's, which I believe not, and by no means approve of, be it whose it will'. f.69b.
6. English Metrical translation of the Aenigma Philosophicum of Michael Sandivogius. ff.71-80.
The work is Printed in Latin prose, in Theatrum Chemicum, Vol IV, p.502.
7. 'A dialogue of the Allchymist and Sulphur', in verse. ff.81-93.
Begins: 'It hapned on a certain time that he
By speculation in an extasy'.
Ends: 'Since ther were more than he in all his life
Had ever known. The rest he told his wife'.
8. 'The Fountain of the Lovers of the Science [Fons Scientiae cupidorum] composed by John Fountain [Johannes Fontanus] of Valencienn, in the country of Hainault, Lyons, 1590. The third ediition'. ff.94-118. A translation from the Latin.
9. 'A treatise of the Egg of the Philosophers, composed by Bernard Count Trevisan, A German. Paris 1659', written in the form of an epistle. ff.119-135.
Begins: 'Sir, Under correction it seems to me that your aim at these things otherwise than the definition of natural things has been delivered'.
10. 'Of the original of the Philosophers' Stone and how it is finished by Art' - divided into two parts, the first containing four, the second seven treatises, ff.135b-170.
Begins: 'The stone of the Wise is produced by the way of a greening nature; of which Haly, the Philosopher sayeth'.

MS. Sloane 3638.
Paper. Folio. 188 folios. 16th Century.
1. 'A most excellent book concerning the Philosopher's Stone, written heretofore by a nameless Philosopher'. f.1-30.
Translated from a Latin Treatise, printed in the Harmonia Chemico-Philosophica of Johannes Rhenanus, ed. Francofurti, 8vo, 1625. 1st decad. p.179.
2. The 4th, 5th, and 6th Chapters (the rest are spurious) of Guido de Montano de Arte Chymica. ff.31-40.
Translated from the Latin Treatise, printed as above. 1st decad. p.125.
3. 'The second epistle of Gratianus concerning the Argent Vives'. ff.40b-49.
Translated from the Latin Treatise, printed as above, 2nd Dcad. p.129.
4. 'Collections out of the Exercizes on the Turba of Philosophers in the Ars Aurifera [ed Basil. 1610]. volume the 1st Page 112'. ff.49b-52.
5. 'An usefull Treatise of the Concordance of the Philosophers, written heretofore by a nameless Philosopher'. ff.53-91.
Translated from the Latin printed in the Harmonia Chymico Philosophica, edit as above, 1st Decad, p.228.
6. 'Sr Thomas [de Aquino] on the shorter Turba of the Philosophers'. ff.92-128.
Translated from the Latin treatise, printed as above, 2nd decad, p.243.
7. 'An unknown concerning the Chymicall Art. But Lucerna Salis, p.62, affirms him to be Marcilius Ficinus, an Italian of the Dukedome of Florence or Tuscany, in the year 1518.' ff.129-188.
Translated from the Latin, printed in the Ars Aurifera; Vol I, p.369.

MS. Sloane 3639.
Paper. Folio. 134 folios. 17th Century.
1.'The Second Supplement to the Subterranean Naturall Philosophy; that is, A Philosophicall Demonstration or Chymicall Thesis of John Joachim Becher of Spire, doctour of Physick and Counsellour of his sacred Imperiall Majesty; showing the truth and podibility of the Transmutation of Metalls. To Leopold the most invincible Emperour of the Romans'. With a table of contents. ff.1-62.
It begins with the third section of the 'Praliminaria', and in printed in latin, with the 'Physica Subterranea' of the author, ed in 8vo, Lipsiae, 1703, p. 689.
2. 'The Natural round Physick (or Philosophy) of the Chemicall Cabaliticall Vision' - a translation. ff.63-93.
Begins: 'The Sun and Moon with all the firmament appear'd first: they stood still: a colour indeed they had, but gave no light'.
Ends:'Which Husband and Wife united by this indissoluble chain are enriched with an innumerable Progeny. Amen'.
3. Translation of the fourth chapter, 'Of the Mountain of Venus', of a Latin Alchemical Treatise. ff.94-105.
Begins: 'Among the metalls which God would have the most serviceable for human use, Venus is the most excellent'.
4. 'An admonition, an instruction and proof against all those who falsely perswade and propose both to themselves and to others to prepare for them in a short space of time an aurum potabile, without the process and tincture of the universall Philosophicall Stone: described briefly by a student in the Sophick labour, for the sake of the sons of Learning': translated from the German. ff. 106-114.
The Preface to the Reader begins: 'Since the very thing itself does speak, that in the extreme old age of this world'.
The first chapter begins: 'Of the choice of the Gold: It appears out of the Adept Philosophy and the treasure of Nature, that there is in the world gold of a threefold kind'.
5. Two answers of F.R.C. (that is, of the Brothers of the Rosy Crosses) to some clients of theirs. ff.114b-117.
Begins: 'The first answer. Every one naturally desires treasures of gold, silver, precious stones and riches'.
6. The Second Part, entitled, The Lilly among the Thorns, of the Arca Arcani artificiosissime de summis naturae mysteriis, compiled from the Rusticus major et minor of Johannes Grasseus, sive Chortalasseus. ff.118-126.
Translated from the Latin, printed in the Theatrum Chemicum, Vol. VI, p.323.
7. 'The Practick of the authour, John Grasseus, Doctour of the Laws, and Syndick of Stralsund, who called himself Chortalessaeus'. ff.126b-134.
Colophon: 'The end of the lesser Country-man'. Translated from the Latin printed as above, p.333.

MS. Sloane 3640.
Paper. Folio. 164 folios. 17th Century.
Bound with MS. Sloane 3641.
1. 'The Codicill or Goe with me of Raymund Lully, a most learn'd philosopher', etc. ff.1-80.
Translated from the Latin, printed at Roan, 1651.
2. English translation of the Vade Mecum Philosophicum of Agricola Rhomaeus. ff.81-98.
3. 'The Text of Alchymy and the green dream'. ff.99-115.
Translated from the French, printed in 12* at Paris, 1695.
4. The letter of a Philosopher concerning the Secret of the great Work. Written on the subject of the Instructions which Aristeus left to his son, concerning the Philosophick Magistery. The name of the authour is, in Latine, in this Anagramm 'Dives sicut ardens S'. ff. 116-126. [Translated from the Latin, printed at Paris, 1688.]
5. 'The little Treatise of Aristotle concerning the Practick of the Philosophers' Stone'. ff.127-138.
Translated from the Latin, printed in the Ars Aurifera, ed. in 3 Vol. 8vo Basil, 1610; Vol. I. p.232.
6. 'The Treasury of Philosophy, or the originall of the Desirable Desire of Nicholas Flammel'. 'An extract of an ancient Manuscript'. ff.139-152. Printed in French, in 8vo at Paris, 1629.
7. 'The work of the Philosophers' Stone from the duell of the Knights. The sentence or decision of the Controversy of (or between) the Spirit and [Mercury] the Judge. Out of an ancient German writing call's the Warr of the Duell of the Knights to the Accusation and Answer of [Sun] and [Mars]: represented by pictures'. ff.153-157.
8. 'The little Book of Lambspringk, an ancient noble German philosopher, concerning the Philosophers' Stone'. ff.158-164.
Translated from the latin version of Nicholas Bernard of Dauphine, printed in the Musaeum Hermeticum reformatum et amplificatum; ed in 4to Francof. 1678. p.337.

MS. Sloane 3641.
Paper. Folio. 63 folios. 17th Century.
Bound with MS. Sloane 3640.
1. 'The Practice of Mary the Prophetesse, in the Alchymicall Art'. ff.1-8.
Begins: 'Aros the Philosopher had a meeting with Mary'.
2. 'Mr Doctour Beckerus's Pantaleon Unmaskt, wishing to the Philochymicall Reader the Attainment of the desired truth'. ff.9-16.
Begins: 'The wish which I wish to you Kind Reader, is the attainment of Truth'.
3. 'The third part of the work of Dioysius Zacharias, concerning the Practise of the divine Work'. ff.17-19. [Printed, in Latin, in the Theatrum Chemicum, Vol I, p.815.]
4. The same in verse. ff.20-23.
5. 'The fourth part of the Book of Bernard Count of Marchia Trevisana, of the Practise of the Philosophick Stone'. ff.24-28.
Printed in Latin in the Theatrum Chemicum, Vol I, p.772.
6. The same in verse. ff.29-34.
7. 'Parole delaissée, or A word slipt out. A treatise of Bernard Count or Earl of the Country of Trevisa'. ff.35-48.
Printed in French, in the Bibliotheque des Philosophes chimiques; ed. Paris, 4 vols, 8vo 1741: vol. II. p.400.
8. 'The Adventures of an unknown Philosopher, by Abbe Belin'. ff.49-60.
Translated from the French, printed at Paris, in 12mo 1646.
9. Alchemical verses: a translation, probably of a portion of a Latin or German Treatise. ff.61-63.
Begins: 'And now, my son, first having giv'n to thee
The proper maxims of Philosophy'.

MS. Sloane 3642.
Paper. Folio. 83 folios. 18th Century.
1. A dialogue between Eudorus and Pyrophilus upon the ancient war of the Knights. ff.2-38.
2. A letter to the true disciples of Hermes, containing six principle Keyes of the secret philosophie. ff.39-51.
At the end of the treatise is the following note: 'The name of the author is in Latin in this anagram, Dives sicut ardens, S'.
3. The Hermetical triumph or the Philosophers stone victorious, a treatise. The most compleat and most easy to bt understood of any hitherto touching the Hermetical Magisterium; or The ancient war of the Knights, being a dialogue between Or and Mercury on the Philosophers Stone with an Advertisement. ff.53-68.
This treatise was composed originally in High Dutch, then translated into Latin and French, and from thence into English.
4. 'A small booke of Artephius called 'the greate Key of wisdome'; being a translation of his treatise entitled Clavis Majoris Sapientiae (in the handwriting of Col. Culpeper; see Harl. MSS). ff.69-80.
Printed in Latin, in the Theatrum Chymicum, 8vo Argent 1613. Vol. IV. p.221.
5. 'A coment or Explanation of Raymundus Lullius' Will, taken out of the Vatican Library'. ff.81-83.

MS. Sloane 3643.
Paper. Folio. 92 folios. 17th Century.
Bound with the last number.
1. Excerpts from various Chymical and Alchymical Authors. ff.1-13.
2. A warning to the false Chymists or the Philosophical Alphabet by Thomas Rawlin. ff.14-55.
Printed in quarto, London, 1616.
3. Fragment of the above treatise. ff.56-92.

MS. Sloane 3644.
Paper. Folio. 142 folios. 17th Century.
1. Statuta Philosophorum Incognitorum, cum pro-oemio. ff.1-13.
2. Apographum Epistolarum lv. Michaelis Sandivogii, 1646. ff.13b-60.
3. A secret copied out of an old MS. written by Bernard, a monk of Bermondsea, 1470. f.61.
4. Some Alchymical processes and secrets. f.63.
5. Benigni de Bruni Conclusiones de lapidis philosophorum veritate et constructione cum praefatione. ff.68-77.
6. 'Porta lucis or the way to decyphere the name number and marke off the beaste by a methos more rationalle free and unrestrained than ever any hithertils, occasiond by the peremptorie determination off the Lord Napier off Merchestonne upon the name lateinos Rev. 13'. ff.79-85.
7. 'Five short treatises on the philosopher's stone, hidden in a waal in the convent of Marunfel in Thuringia by Henry Eshenveuth whom he hath found in the Convent of Swartzug in Franconia in 1403, and hid again in 1489, and at last found by John Kettlern, from whose copy this is taken'. ff.86-97.
8. An English poem entitled Itinerarium Poeticum. ff.98-110.
Begins: 'The clouds disbanded and th' ascending day
Had with the Twilight, of one golden ray'.
11. Alchymical extracts and processes. Dutch. ff.129-142.

MS. Sloane 3645.
Paper. Folio. 185 folios. 17th Century.
1. The booke of King Solomon called The Key of Knowledge. ff.1-21.
2. A Mysterious discourse relating to the Philosopher stone, by Ed. Kelley. ff. 22-38.
3. The practise how to draw the vegetable spirit the first mover of nature in vegetables, by George Ripley, together with excerpts from Raymond Lully's works. f.39.
4. Raymund Lully's book entitled, De quinta Essentia, translated by Roger Bacon, or rather some excerpts from it. ff.43-49.
Printed in Latin, Argent, 1541.
5. The flying Atalanta or Philosophical emblems of the secrets of nature by Michael Majer. ff.50-101.
Printed in Latin, 4to Oppenh. 1618.
7. Medical, chymical and other receipts. ff.104-168.
8. The use of the weapon salve by R. Fludd. f.169.

MS. Sloane 3646.
Paper. Folio. 146 folios. 18th Century.
a. Collection of medical and chymical papers by Dr Robert Plot ff.1-93.
1. Letter on a translation of the works of Geber. f1.
2. Observations on the Vegetable Menstruum f 6,21,48.
3. Account of some of the wonderful cures of Peter John Faber. f10,64.
4. Notes on the menstruum minerale. f18,48.
5. Extracts from the Rosarium Olympicum by Benedict Figulus. f25.
6. Animadversions upon the accidents of matter. f32.
7. Of the chymical art. f37.
8. The rules of practical Chymistry. f41.
9. Annotations on the Manual operations of Basil Valentine. f41.
11. Of the most secret secret of the most abstruse Chymistry. f52.
12. A censure touching Tachenius. f55.
14. An example of the diseases of the stone, taken from van Helmont. f66.
15. Heads of the different chapters of a work upon Chymical Philosophy. f67.
16. Account of the hieroglyphical figures mentioned by Nicolas Flamel. f69.
18. The general scope of some work on the Hermetic Philosophy. f76.
b. Papers of Robert Kellum, consisting of chymical and alchymical collections from various authors. ff.94-146.