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Window display of Kryptok Invisible Fused Bifocal manufacturing process
OPHTHALMIC LENSES
bifocal lens; retail display
Europe: United Kingdom
1930s
glass; metal; cardboard
each base: 5 mm x 46 mm; each label: 101 mm x 50 mm
2018.254
OPHTHALMIC LENSES
bifocal lens; retail display
Europe: United Kingdom
1930s
glass; metal; cardboard
each base: 5 mm x 46 mm; each label: 101 mm x 50 mm
Series of four demonstration stands with accompanying labels depicting stages in the manufacture of a fused bifocal spectacle lens. Each lens sample supported on a yellow metal rod-stem above a round clear glass base.
2018.254
Gift of Mr Rian Love/OATS/City University, 2015