The Hague: H. Scheurleer, 1758. First edition, extremely rare, of Lambert’s first published book, dealing with the path of light rays in air and other media. Lambert began working on aspects of refraction through the atmosphere in 1752, and from 1754 this work was carried out in parallel with his..... More
Item #5808

Augsburg: Christoph Peter Detleffsen for the widow of Eberhard Klett, 1760. First edition, very rare, and the finest copy we have seen, of the foundation work of photometry, the measurement of the intensity of light, both objectively and as perceived by the eye; this is one of the rarest of..... More
Item #5873