Bow, folding sunglasses

Bow, folding sunglasses, tortoiseshell and steel, one lens cracked, with bow case, snap lid, of marble shagreen, Chinese(?), 1701-1830

Details

Category:
Ophthalmology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A681534
Materials:
steel, tortoiseshell, case, wood, case, shagreen, case, fabric and case, brass
Measurements:
g.: width 9
folded: length 46 mm
lens: diameter 36 mm
case: diameter 53 mm
case: thickness 14 mm
type:
sun-glasses
credit:
Sotheby's