Heat energy and fuels: pyrometry, combustion, analysis of fuels and manufacture of charcoal, coke and fuel gases. Translated by Oskar Nagel (1908)
Jüptner von Jonstorff, Hanns, Freiherr, 1853- · New York McGraw · leaf 83
um...Oxide of cerium . ..Oxide of cerium . . .Welsbach mixture.Welsbach mixture. Deg.Cent. 130015501200170012001700120017601200170012001700 Red. 0.10 0.30 0.05 0.60 1.00 1.00 0.50 0.60 0.8 0.9 0.25 0.50 Green. 0.150.350.100.401.001.400.500.501.000.900.400.80 Blue. 0.20 0.40 0.10 0.60 1.00 0.30 0.70… … Fig. 16. — Optical Pyrometer (Cornu-Le Chatelier). consisting of a glass-plate with parallel faces throws the imageof a small flame into the eye-piece. A red glass in front of theeye-piece cuts off all but certain rays. Absorbing glasses canbe put in front of the objective glass, so that only ^^ of…
Fuel · Heat
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