Howard type Synoptophore, by Elliott Optical Compa

Made:
1927-1929
maker:
Elliott Optical Company
SMG00229161

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SMG00229161
Science Museum Group
© The Board of Trustees of the Science Museum

Howard type Synoptophore, by Elliott Optical Company, London, c 1928. used to train patients with a squint. Type invented by Ettles about 1913, improved by Howard (patented 1927)

Details

Category:
Optics
Object Number:
1981-362
Materials:
brass (copper, zinc alloy), copper (metal), felt, glass, iron, metal, paint, plastic (unidentified) and wood
credit:
Delehar, P.