Y-Worth Chymicus rationalis

[Adam McLean]

Engraving from-

William Y-Worth. Chymicus rationalis: or, the fundamental grounds of the chymical art rationally stated and demonstrated, by various examples in distillation, rectification and exaltation of vin or spirits, tinctures... and oleosums... In which is contained, a philosophical description of the astrum lunare microcosmicum, or phospheros...
London. 1692.

   

[Paul Ferguson]

Here's one of his other works, published under his pseudonym of Cleidophorus Mystagogus:

https://archive.org/details/b32999847/page/n5/mode/2up

Of Dutch origin (originally Willem IJvaert) and a brewing expert.

https://en.wikipedia.org/wiki/William_Yworth

https://www.sothebys.com/en/buy/auction/...ly-english

Reference in J. Ferguson:
https://livres-d-hermes.fr/CATAL/PDF/FERG46Y4.PDF

[Paul Ferguson]

Interesting family history by one of his descendants:

http://www.deadfamilies.com/Z3-Others/PD...016-01.pdf



Incidentally, what does 'double gathon receiver' mean on the right-hand side of the illustration? Misreading by the engraver of 'double gallon'?