Main content Witco Stamp Collection, 1910-1983 (inclusive) Extent: 340 sheets (7 boxes) Abstract: A collection of international postage stamps and philatelic material depicting various aspects of chemistry and related sciences. Held at: Science History Institute Archives [Contact Us]
Main content Otto Theodor Benfey Chemistry Stamps Collection, 1976-1996 (inclusive) Extent: 0.1 linear feet (1 folder.) Abstract: A collection of stamps related to the field of chemistry collected by German chemist and historian of science Otto Theodor Benfey. Held at: Science History Institute Archives [Contact Us]