Clarke's-type electromagnetic machine in rectangular box with horseshoe magnet

Clarke's-type electromagnetic machine in rectangular box with horseshoe magnet, 2 rotating bobbins and pulley wheels, possibly made in U.S.A.(?), 1835-1860

Details

Category:
Therapeutics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A203134
Materials:
wood, brass, steel, velvet and cotton
Measurements:
length 110 mm
width 195 mm
depth 110 mm
electrode: length 90 mm
electrode: diameter 20 mm
type:
electromagnetic machines