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Science Museum Group
© The Board of Trustees of the Science Museum
White metal optometer, made by Geneva Optical Company of Chicago, American, 1890
Details
- Category:
- Ophthalmology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A680755
- Materials:
- metal, white and glass
- Measurements:
-
diameter 50 mm
depth 13 mm
incl. spring: length 57 mm
- type:
- optometers
