What people are saying - Write a review
We haven't found any reviews in the usual places.
Economic and Social Factors
Industrial and Technical Factors
Major Scientific Problems
11 other sections not shown
Other editions - View all
Academie des Sciences achromatic telescopes air-pump alidade angle apparatus Arts et Metiers astrolabe astronomical axis balance barometer beam compasses brass Carochez Cassini centre Chapotot circle Clay and Court clockmaker collection compasses constructed constructors cylinder dated diameter divided division Dollond duc de Chaulnes eighteenth century engine England English engraved equatorial equipped fixed flint glass Fortin France French graduated graphometer Greenwich Gregorian telescope horizontal Huygens inches industry instru instrument makers invented Lalande Langlois large number later lathe Lavoisier Lenoir lens lenses Leyden livres mathematical instruments means measuring mechanical Megnie mentioned ments mercury metal method micrometer microscope mirror mounted mural quadrant Musschenbroek Nachet national des Arts objectives octant optical optician Paris Observatory Passemant period plate polishing produced Ramsden reflecting telescope Royal scale scientific screw sector seventeenth century sights signature signed sun-dials telescopic sights Teylers Museum theodolite thermometers toise tool tube vernier vertical workmen workshop