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5 Pairs Cement Wafers
OPHTHALMIC LENSES
lens
Bausch & Lomb
North America: USA
1930s?
glass; paper; cardboard
outer box: 36 mm x 53 mm x 38 mm
2018.209
OPHTHALMIC LENSES
lens
Bausch & Lomb
North America: USA
1930s?
glass; paper; cardboard
outer box: 36 mm x 53 mm x 38 mm
Glass wafers for use in the manufacture of cement bifocal spectacle lenses. Approximately 13 wafers (with some cut specimens) separated by paper dividers within a small cardboard box with separate lid, the lid bearing a printed version of the B&L medallion. Paper label on end panel of box detailing size, curvature and focussing power of the contents.
2018.209
Gift of Mr Rian Love/OATS/City University, 2015