"Tempoplex" Exposure Calculator

"Tempoplex" Exposure Calculator

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Science Museum Group
© The Board of Trustees of the Science Museum

"Tempoplex" exposure calculator.

Details

Category:
Photographic Technology
Object Number:
1939-256
Materials:
metal (unknown)
Measurements:
overall: 52 mm x 40 mm x 25 mm, .035 kg
type:
exposure meter
credit:
Warner, W.C.