E F Gruns Patent Liquid Lens

Made:
1901
E F Gruns Patent Liquid Lens

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©The Board of Trustees of the Science Museum

E.F. Gruns Patent Liquid lens. Patented 1901 [B250 A157097]

Details

Category:
Photography
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1989-11
Measurements:
overall: 95 mm 84 mm,
type:
lens
credit:
On loan from the Wellcome Trust