Single Opera Glass by Chevalier

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

Details

Category:
Optics
Object Number:
1928-913
Materials:
glass, brass (copper, zinc alloy), gold plated (gilded), leather, textile and tortoiseshell
Measurements:
glass, closed: 45 mm 43 mm,
case: 53 mm 55 mm,
type:
opera glass, telescope - galilean, telescope - refracting and instrument case
credit:
Court, Thomas Henry