Five of six stages in the manufacture of a hard corneal contact lens
Five of six stages in the manufacture of a hard corneal contact lens by G. Nissel & Co. Ltd., London. (sixth stage is lens, stored in plastic case); includes four brass mounting tools, completed lens in case.
- Measurements:
-
overall: x x , , .1kg
case: 5 mm x 32 mm x 35 mm, ,
maximum: 40 mm x x , 15 mm,
- Materials:
- plastic , metal and brass (copper, zinc alloy)
- Object Number:
- 1982-391/1
- type:
- contact lens
