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microscopes (hyperoculars)
OPHTHALMIC LENSES
low vision lens; sub-normal vision test
Combined Optical Industries Ltd
Europe: United Kingdom
c.1956
plastic
overall: 38 mm
2013.740
OPHTHALMIC LENSES
low vision lens; sub-normal vision test
Combined Optical Industries Ltd
Europe: United Kingdom
c.1956
plastic
overall: 38 mm
Three plastic microscopic lenses (hyperoculars) for examination purposes, X4, X6 and X8. Each lens unmounted.
2013.740
The Norman Bier Collection, transfer from City University, 2013