Early bifocal lenses with rounded segments and oval lenses

PART OF:: Display board of spectacles and lenses, c.1921

Made:: 1800-1825

Early bifocal lenses with rounded segments and oval lenses

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Early bifocal lenses with rounded segments and oval lenses
Science Museum Group
© The Board of Trustees of the Science Museum

Early bifocal lenses with rounded segments and oval lenses, early 19th century.

Details

Category:: Optics

Object Number:: 1921-323/185

Materials:: glass and steel (metal)

Measurements:: overall: 33 mm x 150 mm x 35 mm, , .01kg

type:: spectacles

credit:: Dunscombe collection of spectacles

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