a website collaboration between Science Service and the Smithsonian Institution

1937 - counter - the general interior construction


E&MP 94.012

Photo Electric Cells

November 1, 1937

November 5,1937

Supplementing our letter of November 1 we are attaching our photograph 218481 which illustrates our photo-electric counter.

This photograph will give you some idea of the general interior construction. We hope that this information will be of service to you.

Very truly yours,
/s/ J. D. Brosnan, Central Station Division

Original Caption by Science Service
©Westinghouse Electric & Manufacturing Company

National Museum of American History


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