Description et usage des télescopes, microscopes, ouvrages et inventions de Passemant, ingénieur du Roi.PASSEMANT, Claude Siméon.
1769. Octavo, np., nd. (Paris, circa 1769). 116 pp. with folding plate, in original printer's marbled paper covers. Last edition of this highly important description and user manual for microscopes and telescopes by Passemant, the most famous French optical instrument manufacturer of the eighteenth century. In addition to these instruments, there are barometers, physics instruments, pneumatic or electric machines, astronomical clocks, clocks, watches, etc. The first edition, around 1750, was only 29 pages long. This was revised and expanded "by his pupils and successors", who were Ollivier and Nicolet. It is illustrated with a fold-out engraving representing a compound Cuff-type microscope to which two micrometers invented by Passemant have been added. At the end: "Table of prices of reflection telescopes, & of Passemant's microscopes." PROVENANCE: The 18th century library of General Francois-Marie d'Aboville and be descent to 2023. CONDITION: A very good and clean copy, with bright pages and plate, marred only by very light dampstaining to the upper 1/3rd of the first 24 pp. Item #60
Price: $4,000.00