Grigg's electromagnetic machine

Made:
1880 in Plymouth

Grigg's electromagnetic machine, induction coil in conical cover, 2 small cells, magnet and contact breaker, patented 1873, made by J.R. Chislett, Plymouth, English, c.1880

Details

Category:
Therapeutics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A136691
Materials:
mahogany, brass, silver, copper and ivory
type:
induction coils
credit:
Wellcome Trust (Purchased from Stevens)