Constants of spectral radiation of uniformly heated inclosure (1914)
National Bureau of Standards · leaf 38
ric apparatus as used in the latterpart of the investigation. The essential parts of the apparatusare shown in Fig. i. Beginning at the extreme left of the plate,the double-walled ice box, /, contained the cold junctions of thethermocouples. The radiator is at A, and is shown in more detailin Fig.… … Cobieniz] Constants of Spectral Radiation 37 The air-tight metal box, B, contains a plane mirror and a con-cave mirror (5 cm in diameter, 50-cm focal length) for focusingthe radiating diaphragm (d, Fig. 2) upon the spectrometer slit.It contains also glass dishes with dry potassium hydroxide…
Measurements and use of instruments · Rays and radiation · Heat flow, thermal and thermodynamic processes
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