square Fresnel lens

Made:: 1975 in Slough

maker:: Combined Optical Instruments Limited

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square Fresnel lens
Science Museum Group
© The Board of Trustees of the Science Museum

square Fresnel lens, plastic (250 mm x 250 mm) by Combined Optical Instruments, Slough, England, 1975.

Details

Category:: Optics

Object Number:: 1975-401

Materials:: plastic (unidentified)

Measurements:: overall: 4 mm x 286 mm x 286 mm, , .16kg

type:: fresnel lens

credit:: Combined Optical Instruments Limited

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square Fresnel lens

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