Optometer(?), stop-watch form, scaled circular fac
- Made:
- 1890-1945
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Licence
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License
Science Museum Group
© The Board of Trustees of the Science Museum
Optometer(?), stop-watch form, scaled circular face to measure concanity,[.........] of lenses, English, 1890-1945
Details
- Category:
- Ophthalmology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A680937
- Materials:
- metal, chromed, glass, front and paper, face
- Measurements:
-
including ring for suspension: diameter 65 mm
thickness 15 mm
- type:
- objective optometers
