Moving coil galvanometer, designed by D'Arsonval, modified from earlier models, wooden base supporting large magnet and moving coil, scale over magnet, pointer on coil, French, 1890-1910 Moving coil galvanometer
High frequency induction apparatus, by A. Gaiffe, Paris, 1880-1910 High frequency induction apparatus
Copper coil, helical, with brass terminals and mounts at either end, probably part of an alternator from a d'Arsonval-type high-frequency electrotherapy apparatus, French, 1890-1920. See note. Copper coil
5 lamp holders, 1 panel hollding two resistance coils, cardboard box holding 2 110 volt bulbs, 2 filter frames for small holders, probably French, 1880-1935 5 lamp holders