## Dioptricae Pars prima ... De explicatione principorum; Pars secunda ... De constructione telescopiorum dioptricorum; Pars tertia ... De constructione microscopiorum.

St. Petersburg: Imperial Academy of Sciences, 1769-1771. First edition, and a very fine copy, of Euler’s rare work on optics, ‘widely known and important in the physics of the eighteenth century’ and which ‘laid the foundations of the calculation of optical systems’ (DSB). The first volume presents his general theory..... More

Item #3300