Postcard - ‘Famous alchemists watching laboratory work'.
From: Theatrum chemicum Britannicum, 1652, a collection of English alchemical texts compiled by the antiquarian and alchemist Elias Ashmole. Engraving by Robert Vaughan (c.1600-c.1663).
There is a brief explanation of the image on the reverse of the card.
Size: 105x148 mm
© EFM/Bibliotheca Philosophica Hermetica Collection