Radiation from and the melting points of palladium and platinum (1907)
National Bureau of Standards · leaf 14
whose temperaturewas maintained constant to a fewtenths of a degree, as indicatedby a thermocouple. A singlemeasurement consisted in a seriesof six to ten observations of T^between two series of observa-tions of T^. With the mirrorform of absorber, the pyrometer … Fig. 3.—Absorption Mirrors. has to be resighted for each set of obser\^ations, and as the neigh-boring parts of the radiating surface may differ somewhat intemperature, there is a small uncertainty introduced into any givenvalue of K from this cause. The results of the measurements of the…
Freezing, melting and boiling points · Rays and radiation · Thermometry, pyrometry and calorimetry · Heat flow, thermal and thermodynamic processes
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