Publisher's Synopsis
Excerpt from Photoelectric Sensitivity of Bismuthinite and Various Other Substances
This paper summarizes the results of an investigation of various substances (1) for an increase in electrical conductivity caused by the action of light upon them, and (2) for photoelectrical activity when they were charged to a negative potential in an evacuated chamber and exposed to light.
Pure gallium and silver sulphide were found to have but small photoelectric discharging action when charged to a negative poten tial and exposed to light.
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