Lucas Jennis was a German engraver. He was the leading publisher of alchemical works of his time.
Title page of Musaeum Hermeticum, published by Jennis in 1625.
Musaeum Hermeticum is a compendium of alchemical texts first published in German, in Frankfurt, 1625 by Lucas Jennis. Additional material was added for the 1678 Latin edition, which in turn was reprin
Title page of a 1678 edition at the Beinecke Rare Book & Manuscript Library
Frontispiece of the Musaeum Hermeticum
"Spirit and Soul are acting as child and guide" from the Musaeum Hermeticum, 1678 Edition, Science History Institute