8087 - Ivory Diptych Sundials 1570-1750

This catalogue illustrates in detail Harvard's collection of 82 ivory diptych sundials, one of the largest holdings of these instruments in the world. Havard University Cambridge MA/USA has been purchasing scientific instruments on a continuous basis for teaching and research since 1765. The collection of Historical Scientific Instruments, which was established in 1949 to preserve this apparatus as a resource for teaching and research in the history of science and technology, has become one of the three largest university collection of its kind in the word. It comprises about 15.000 instruments from 1500 to the present and covers a broad range of scientific disciplines, including astronomy, navigation, horology, surveying, geology, electricity ... In very good condition with a dust jacket.

169 pages

Edition : 1992