Cement bifocal lens

Catalogue Number: 1739
Cement bifocal lens
Category: Spectacles and lenses
Sub-Category: Spectacle lenses
Year Of Publication/Manufacture: c 1900
Time Period: 1900 to 1939
Description Of Item: A single round lens 36 mm diameter in a shell rim with cemented bifocal segment Rx +0.50 D Add +2.50 D
Condition: Very good
Location: Archive office. East wall shelves unit 3. Drawer 4

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