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.]