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'Kyanos' uncut spherical lens
OPHTHALMIC LENSES
lens
The General Optical Company
Europe: United Kingdom, England, London, EC1
20th c.
plastic; paper
lens: 47 mm; envelope: 56 x 56 mm

Lens. Round. Plastic, with black ink dot at optical centre. Contained in white paper envelope, printed in dark blue, with lens power handwritten in pencil and HSA conformity stamp on the flap.


1999.5806

Gift of Mr Philip Freeman, FCOptom, 1999


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