Brass piezometer, with two wooden measuring rods, in oak case, Metropolitan Board of Works, owner, English, 1880-1920 Piezometer 1880-1920
Dental cataphoresis apparatus, cased, with accessories, by the Cavendish Electrical Co. Ltd., 130 Great Portland Street, London, W1, 1925-1940. Dental cataphoresis apparatus 1925-1940
Electro-cardiograph, part of apparatus only, section for determining optical ray, steel with brass terminals, in oak case, English, c.1930 Electro-cardiograph, part of apparatus only 1930
Frost's artificial eye, metal and glass, in wooden box, breaks down into compartment parts for storage, by Pickard & Curry, 195 Great Portland Street, London, England, 1890-1920. Frost's artificial eye 1890-1920
Battery-powered a.c. electrotherapy apparatus by X-Rays Ltd, c.1926, in wooden case, London, English, c.1926, apparatus used at New Cross Hospital, London until 1976. Battery-powered electrotherapy apparatus circa 1926
Electrostatic machine, wood box, metal fittings, in case, Wimshurst machine Electrostatic machine 1901-1930
Electrostatic machine, in wood case containing broken glass cylinder with metal fittings, European, first half 19th century Electrostatic machine 1801-1850
Dr. Wright's intermittent venous occlusion apparatus, bladder missing, c. 1935, by Genito-Urinary Manufacturing Co. of London, 1930-1940 Dr. Wright's intermittent venous occlusion apparatus 1930-1940
Set of five dental education panels, in glazed oak cases, made by Educational and Scientific Plastics Ltd., Croydon, Surrey, for the Dental Board of the United Kingdom, c. 1950 Set of five dental education panels 1946-1956
Apothecaries' scales with brass pans, brass beam with knife-edge fulcrum, made by De Grave, Short and Fanner, London, England, mid 19th century Apothecaries' scales with brass pans 1831-1870
Cachet making machine or pill mould used in veterinary practice, eight plates with holding frame, silvered metal, mounted on walnut base, in oak case, by Fand M, French, c. 1880 Cachet making machine or pill mould used in veterinary practice 1870-1890
Apothecaries' scales with glass pans, steel beam with knife edge fulcrum, in wooden case, English, mid nineteenth century Apothecaries' scales with glass pans 1831-1870