Curved sheet of translucent plastic with rivetted lens

Curved sheet of translucent plastic with rivetted lens

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

Curved sheet of translucent plastic with rivetted lens held over card-sized micromap (labelled 12).

Details

Category:
Surveying
Object Number:
2015-133
type:
lenses
credit:
Gift of Jeffrey Woolf, OBE