'Half-penta' type glass erecting prism

Made:
1920-1950 in Europe
'Half-penta' type glass erecting prism

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'Half-penta' type glass erecting prism
Science Museum Group
© The Board of Trustees of the Science Museum

'Half-penta' type glass erecting prism, from variable magnification telescope, unsigned, European, 1920-1950.

Details

Category:
Optics
Object Number:
1955-315
Materials:
glass and paint
Measurements:
overall: 26 mm x 60 mm x 37 mm, Wt. 0.094kg
type:
prism - optical and component - object
credit:
Banfield, Arthur Clive