Back to main Website 1194.2 Sincerus HYDROPHILUS. Falscher und wahrer Lapis Philosophorum, oder Eines vornehmen und Christlichen Philosophi unschätzbarer Unterricht von allem demjenigen was ihm bey kostbarster Suchung des Steins der Weisen begegnet ist... 4° Franckfurt en Leipzig: Daniel Christian Hechtel 1752 Young Nat Union Cat Wisconsin [Illustration:- Frontispiece engraving. 173x151mm. A depiction of a large laboratory with a number of upright furnaces one of which is being worked with a bellows. A man enters the door carrying a load of coal. Most of the alchemical operators are smoking pipes.]