细节
A rare French galvanometer,
signed on the silvered dial E. Deschiens, Paris, and further engraved 4000 tours, the silvered circle divided in four quadrants, the fine needle with silk suspension, the drum with lacquered-brass finish, mounted on a circular base and adjustable tripod stand, with two keys and take-off points, with drum-shaped glass cover (old crack and chip) -- 8½in. (21.6cm.) high
See Illustration
signed on the silvered dial E. Deschiens, Paris, and further engraved 4000 tours, the silvered circle divided in four quadrants, the fine needle with silk suspension, the drum with lacquered-brass finish, mounted on a circular base and adjustable tripod stand, with two keys and take-off points, with drum-shaped glass cover (old crack and chip) -- 8½in. (21.6cm.) high
See Illustration