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Lederer microscopes
OPHTHALMIC LENSES
low vision lens; sub-normal vision test
c.1953-1954
glass; metal
overall: 36 mm
2013.738
OPHTHALMIC LENSES
low vision lens; sub-normal vision test
c.1953-1954
glass; metal
overall: 36 mm
Three glass microscopic lenses for examination purposes, X2.5, X4 and X6. Each lens mounted in a yellow metal rim with handle bearing a scratched-on lens power.
2013.738
The Norman Bier Collection, transfer from City University, 2013