Keywords: Oswald Croll 1629 Basilica Chymica Title Page.tif Oswald Croll approximately 1560-1609 Franckfurt Bey Gottfried Tampachen 1629 1629 engraving Institution Chemical Heritage Foundation object history exhibition history credit line http //www chemheritage org/ Chemical Heritage Foundation accession number http //othmerlib chemheritage org/record b1049993~S6 QD25 C76515 1629 Roy G Neville Historical Chemical Library http //www chemheritage org/ Chemical Heritage Foundation Photograph by Douglas A Lockard Image downloaded with permission from the Chemical Heritage Foundation as part of the Wikipedian in Residence initiative CHF-cooperation PD-old-100 Images from the Chemical Heritage Foundation Alchemy books Alchemists Engravings Oswald Croll |