Test Lenses
- Made:
- 1900-1930 in unknown place
Three pairs of test lenses in lorgnette frames.
Details
- Category:
- Ophthalmology
- Object Number:
- Y1999.36.5
- Materials:
- plastic (unidentified) and tortoiseshell
- Measurements:
-
individual frame: 4 mm x 132 mm x 44 mm,
- type:
- test lenses
- credit:
- Gift of Mr. G.W. Colebrook
