Tourmaline pieces set in a circular brass mount for use with a polariscope

Tourmaline pieces set in a circular brass mount for use with a polariscope, by Bellingham and Stanley Ltd., leather case, circa 1935, (Wellcome B890)

Details

Category:
Optics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1984-1368
type:
pieces
credit:
Wellcome Trust