Leaflet for a work entitled 'Cases of successful practice with Perkin's Patent Metallic Tractors'. Therapeutics 1801
Glass leyden jar from a d'Arsonval-type high-frequency electrotherapy apparatus Therapeutics 1890-1920
Cylindrical induction coil of vulcanite with multi-core mounted on wooden base with trembler Therapeutics 1890-1900
Late C19 shocking coil electrotherapy apparatus with rheostat and milliammeter Therapeutics 1870-1940
Improved Patent Magneto Electric Machine for nervous diseases, dynamo with steel magnet and brass and ebony terminals to apply to patient, all in polished wood case dated, unsigned, Europe, 1862 Improved Patent Magneto Electric Machine for nervous diseases Therapeutics 1862
Electromagnetic machine in oak case incorporating induction coil and dry cell battery Therapeutics 1910-1920