This image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
License
Science Museum Group
© The Board of Trustees of the Science Museum
Two bifocal spectacle lenses, glass, possibly prototypes, French, 1870-1930
Details
- Category:
- Ophthalmology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A658758
- Materials:
- lens, glass and envelope, paper
- Measurements:
-
lens: length 47 mm
lens: width 51 mm
lens: height 5 mm
- type:
- ophthalmic lens
