Set of ophalmological test charts
Set of 71 stereoscopic test charts with cardboard carton for use in ophalmology, by E. B. Meyrowitz Surgical Instrument Co., Inc., New York City, United States, 1920-1939. Copyrighted, by Bausch and Lomb Optical Company Limited, United States, 1918.
Details
- Category:
- Optics
- Object Number:
- 1961-142
- Materials:
- cardboard, paper (fibre product) and plastic coating (unidentified)
- Measurements:
-
Carton (closed): 35 mm x 182 mm x 87 mm, .384kg
- type:
- test chart - sight
- credit:
- Turner, J.T.W.B.