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Feinbloom Bifocal glass telescope
OPHTHALMIC LENSES
low vision lens
North America: USA
1958
glass
overall: 15 mm x 23 mm x 7 mm

Bifocal glass telescopic low vision unit ('bioptic'), comprising a wide angle bifocal glass X2 telescope. Unmounted.


2013.715

The Norman Bier Collection, transfer from City University, 2013



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