Single Opera Glass by Chevalier

Single Opera Glass by Chevalier, with helical focussing

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Single Opera Glass by Chevalier, with helical focussing
Science Museum Group
© The Board of Trustees of the Science Museum

Single Opera Glass by Chevalier, with helical focussing, Chevalier family, France, 1800-1848.

Details

Category:
Optics
Object Number:
1928-913/1
Materials:
glass, brass (copper, zinc alloy) and gold plated (gilded)
Measurements:
glass, closed: 45 mm 43 mm,
type:
opera glass, telescope - galilean and telescope - refracting