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Lederer-type microscopes (Stigmagna lenses)
OPHTHALMIC LENSES
low vision lens; sub-normal vision test
Stigmat Ltd
Europe: United Kingdom
Late 1950s
glass
overall: 38 mm; overall: 42 mm; overall: 40 mm
2013.739
OPHTHALMIC LENSES
low vision lens; sub-normal vision test
Stigmat Ltd
Europe: United Kingdom
Late 1950s
glass
overall: 38 mm; overall: 42 mm; overall: 40 mm
Three glass microscopic lenses for examination purposes, X3, X4 and X6. Each lens unmounted.
2013.739
The Norman Bier Collection, transfer from City University, 2013