Glass roof prism from artillary range-finder

Glass roof pentaprism, from artillary range-finder

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Glass roof pentaprism, from artillary range-finder
Science Museum Group
© The Board of Trustees of the Science Museum

Glass roof pentaprism, from artillary range-finder, 70-cm baseline, by Barr & Stroud Limited, Glasgow, Scotland, 1920-1950 (see note).

Details

Category:
Optics
Object Number:
1955-313
Materials:
glass and paint
Measurements:
overall: 35 mm x 42 mm x 23 mm, Wt. 0.034kg
type:
roof pentaprism and component - object
credit:
Banfield, Arthur Clive