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History of Science Museum

Tube Pattern Extinction Optical Exposure Meter, German, Early 1930s

Inventory Number 96550


Acknowledgement: © History of Science Museum, University of Oxford, inv.96550

Item type
Object
Provenance
Pres. by L.W. Tidmassh Esq.
Dimensions
Weight: 88g
Inventory No
96550
Accession Number
1983-6/3

Description

Tube pattern extinction optical exposure meter. The main object is a Bewi-Junior exposure meter (model Mod II). It has three tables showing measurements - one black, one blue and one red. Three identical smaller sets of numbers are displayed on a thin label that is wrapped around a ring at the smaller end of the meter. The case is brown leather and is a cylindrical shape.