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
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
High frequency induction apparatus, by A. Gaiffe, Paris, 1880-1910 High frequency induction apparatus
Remains of large capacitor, thick-walled rectangular tank in mahogany case, possibly not part of original, thick glass plates with tin foil sheets, French, c.1890 Remains of large capacitor