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Prototype of Strobotac flash
Named collection: Harold E. Edgerton Collection
Object type: flash
Maker: General Radio Company
Date made: circa 1939
Materials: metal; glass
Measurements: 7 1/2 in x 8 1/2 in x 6 1/2 in
Nomenclature: photographic tools and equipment - high speed photographic equipment
Classification: tools and equipment
The Strobotac went into production in 1935; this is a prototype. The small stroboscope was mainly used for measuring and adjusting the speed of motors and other industrial machines. The operator would point the Strobotac at the mechanism and change the frequency of the flashes by turning the large knob on the side. Once the light and the machine were synchronized, the speed of the machine could be read on the scale on the top of the instrument.