Collapsible opera glasses in metal frame

Collapsible opera glasses in metal frame, unsigned Europe

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Collapsible opera glasses in metal frame, unsigned Europe
Science Museum Group
© The Board of Trustees of the Science Museum

Collapsible opera glasses in metal frame, unsigned Europe, 1900-1930

Details

Category:
Optics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1983-362
Materials:
brass (copper, zinc alloy), steel (metal) and glass
Measurements:
overall (stored flat): 13 mm x 103 mm x 75 mm, .203kg
type:
opera glasses and binoculars
credit:
Wellcome Trust