PEANUT MERCURY
ARC LIGHT

CD 1964053 E&MP27.011

Electric Lighting

1937

New "peanut" mercury arc light undergoing tests by Dr. John W. Marden in the research laboratories of the Westinghouse Lamp Company in Bloomfield, New Jersey. It’s narrow arc stream of a brilliancy never before obtained by man in so small a device may eventually make it valuable as a source of light for projection purposes as in search lights, spot lights, and even moving picture machines. 

Original Caption by Science Service
^©Westinghouse