Total Radiation from Nickel and Cobalt

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Abstract
Measurements have been made on the total radiation from nickel between 630°K and 1600°K and from cobalt between 672°K and 1590°K. The radiation was measured by means of a platinum-tellurium thermocouple and a high sensitivity galvanometer. A constant deflection method was used. The temperature of the metal was measured by means of a Holborn-Kurlbaum type of optical pyrometer, calibrated at the gold and palladium points, and by means of a platinum platinum-rhodium thermocouple. A comparison of the radiation with other properties of the metals is given.