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Details
LAMBERT, Johann Heinrich (1728-1777). Photometria sive de mensura et gradibus luminis, colorum et umbrae. Augsburg: Christoph Peter Detleffsen for the widow of Eberhard Klett, 1760.
8° (183 x 113mm). 8 folding engraved plates. (Front free endpaper lightly creased and crudely torn, lacking top corner.) Contemporary calf-backed marbled paper-covered boards, vellum tips, blue edges (tiny nick to headcap, extremities lightly rubbed). Provenance: numerals '2:16' in ink in an early hand at foot of title-page.
FIRST EDITION OF THE FOUNDATION FOR THE EXACT MEASUREMENT OF LIGHT. Lambert's discoveries 'are of fundamental importance in astronomy, photography and visual research generally ... Both Kepler and Huygens had investigated the intensity of light, and the first photometer had been constructed by Pierre Bouguer (1698-1758); but the foundation of the science of photometry -- the exact scientific measurement of light -- was laid by Lambert's 'Photometry' ... In the Photometria he described his photometer and propounded the law of the absorption of light named after him. He investigated the principles and properties of light, of light passing through transparent media, light reflected from opaque surfaces, physiological optics, the scattering of light passing through transparent media, the comparative luminosity of the heavenly bodies and the relative intensities of coloured lights and shadows' (PMM). A FRESH, CLEAN COPY OF A RARE BOOK. Grolier Science 62; PMM 205; Norman 1269.
8° (183 x 113mm). 8 folding engraved plates. (Front free endpaper lightly creased and crudely torn, lacking top corner.) Contemporary calf-backed marbled paper-covered boards, vellum tips, blue edges (tiny nick to headcap, extremities lightly rubbed). Provenance: numerals '2:16' in ink in an early hand at foot of title-page.
FIRST EDITION OF THE FOUNDATION FOR THE EXACT MEASUREMENT OF LIGHT. Lambert's discoveries 'are of fundamental importance in astronomy, photography and visual research generally ... Both Kepler and Huygens had investigated the intensity of light, and the first photometer had been constructed by Pierre Bouguer (1698-1758); but the foundation of the science of photometry -- the exact scientific measurement of light -- was laid by Lambert's 'Photometry' ... In the Photometria he described his photometer and propounded the law of the absorption of light named after him. He investigated the principles and properties of light, of light passing through transparent media, light reflected from opaque surfaces, physiological optics, the scattering of light passing through transparent media, the comparative luminosity of the heavenly bodies and the relative intensities of coloured lights and shadows' (PMM). A FRESH, CLEAN COPY OF A RARE BOOK. Grolier Science 62; PMM 205; Norman 1269.
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