Early bifocal lenses with rounded segments and oval lenses

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