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"LE CHATELIER, HENRI LOUIS. - INVENTION OF THE OPTICAL PYROMETER.
Sur la mesure optique des temperatures élevées.
(Paris, Gauthier-Villars), 1892. 4to. No wrappers. In: ""Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences"", Tome 114, No 5. Pp. (195-) 254. (Entire issue offered). Le Chatelier's paper: pp. 214-216.
Reference : 48915
First appearance of the paper in which Le Chevalier describes his invention of the Optical Pyrometer which was the first instrument to measure degrees Celsius over 3000.""Henri LeChatelier creates a practical optical pyrometer for measuring the temperature of hot bodies from the light intensity in a narrow wavelenght band by optical comparison of an image of the body in question and a glowing filament. He uses an oil lamp, an iris diaphragm, and a red glass filter for narrowing the wavelenght range.""(Parkinson).Parkinson ""Breakthroughs"", 1892 P.
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Herman H. J. Lynge & Son
William Schneider
Silkegade 11
1113 Copenhagen
Denmark
+45 33 155 335
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1 book(s) with the same title
SUR LA MESURE OPTIQUE DES TEMPERATURES ELEVEES
SL SD (vers 1900 SL SD (vers 1900), plaquette In-8 brochée, 21 pages. Bon état.
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