An early D’Arsonval galvanometer by G. Adam of Paris, French, circa 1885.

Three horseshoe magnets, with a dial marked 0 – 110.

Mounted on a mahogany base with arched glass cover.

Engraved brass plate:

1 pour un volt
1 pour 1/10 de milli amper
G. ADAM Constructeur
9 RUE BLAINVILLE Paris

Height: 40.5 cm.

Width: 35.5 cm.

Depth: 40.5 cm.

Jacques-Arsène d’Arsonval (1851 – 1940) was a French physician, physicist and inventor of the moving-coil d’Arsonval galvanometer.