London, Wellcome Institute MS. 2457. 106 folios. 170x105mm. 18th Century [1728-39] G., S.D. [Collection of alchemical notes, extracts, processes, etc., including two short diaries of alchemical operations. Mainly in German, with a few entries in Italian and Latin. Illustrated with a few rough pen drawings of alchemical apparatus.] 1. (3 folios) Chymische Zeichen nebst deren Bedeutung ex Patris Athan[asii] Kircheri Libro XL, Sectione IV, fol. 342. 'Mundi subterranei'. 2. (6 folios) Chemicorum aliquot terminorum explicatio. 3. (6 folios) Excerpta ex 'Auriferae Artis quam Chemiam vocant' Vol. 2do. 4. (8 + 4 folios) G., S.D. Processus primus [et secundus], 1728-32. 5. (12 folios) G., S.D. Varia chimica, 1733. 6. (1 folio + 12 pages) Beringer, C. von. Secreta Beringerana, 1732. 7. (44 folios) G., S.D. Collectanea Arcanissima Arcanorum, 1732. [This includes alchemical processes, receipts and some chemical remedies in Italian, ascribed to B. von Paschetag: they are dated from 1732 to 1739.] [From the Julius Kohn Library.]