Bewi Exposure Calculator

Bewi Exposure Calculator Extinction type exposure calculator made by Bewi Ltd of West

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Bewi Exposure Calculator
Science Museum Group
© The Board of Trustees of the Science Musuem

Extinction type exposure calculator made by Bewi Ltd of West
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Extinction type exposure calculator made by Bewi Limited.

Details

Category:
Photographic Technology
Object Number:
Y1984.262.4
Materials:
metal (unknown), plastic (unidentified), glass and leather
Measurements:
case (laid flat): 46 mm x 45 mm x 108 mm,
type:
photographic equipment
credit:
Gift of Mrs. E. Chapman