Pair of miniature prismatic binoculars

Made:: 1920-1935 in Europe

maker:: Portrena

Pair of miniature prismatic binoculars, 5x

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Pair of miniature prismatic binoculars, 5x
Science Museum Group
© The Board of Trustees of the Science Museum

Pair of miniature prismatic binoculars, 5x, with optical lens diameter of 14mm, by Portrena, Europe, 1920-1935

Details

Category:: Optics

Object Number:: 1979-862

Materials:: aluminium (metal), glass, brass (copper, zinc alloy) and metal (unknown)

Measurements:: overall (lying flat): 32 mm x 100 mm x 80 mm, .118kg

type:: field glasses and binoculars

credit:: Frank, Arthur

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Pair of miniature prismatic binoculars

Details

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