Objects
Viewing Record 43 of 62Previous Record Next Record
Switch Views: Lightbox | Image List | List
Comparison of glass and plastic microscopic LVA lenses
OPHTHALMIC LENSES
low vision lens
Europe: United Kingdom
1950s?
glass; plastic
overall: 50 mm; overall: 52 mm
2013.741
OPHTHALMIC LENSES
low vision lens
Europe: United Kingdom
1950s?
glass; plastic
overall: 50 mm; overall: 52 mm
Two microscopic lenses collected for the purpose of comparison: 1) a glass uncut single focus microscope. 2) Its equivalent plastics aspherical lens. Each lens unmounted.
2013.741
The Norman Bier Collection, transfer from City University, 2013