Pair of expanding opera glasses in imitation leather case

Pair of expanding opera glasses in imitation leather case, marked par brevet d'invention et de perfection ement , French, 1890-1924.

Details

Category:
Optics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1997-1924
Materials:
leatherette, brass (copper, zinc alloy), glass, balsa (wood), paper (fibre product), steel (metal), textile, felt, tortoiseshell and copper (metal)
Measurements:
overall (case closed): 35 mm x 108 mm x 40 mm, 0.108kg
type:
opera glasses
credit:
Wellcome Trustees

Parts