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Twin Viso electrocardiograph machine with power supply DC amplifier and ECG preamp. all set into own wooden wheeled trolley, pen and ink recording, 2-channel, by Sanborn Co., USA, 1941-1955

Twin Viso electrocardiograph machine with power supply DC amplifier and ECG preamp

1941-1955

Hand-operated apple peeling machine on wooden plinth, with spindle turned continuously by wheel, with spring-action blade to enable almost automatic peeling, U.S.A., 1870-1876

Hand-operated apple peeling machine on wooden plinth

1870-1876

Twin-beam portable electrocardiograph machine, 2-channel, in wooden carrying case, by Sanborn Company, U.S.A., 1935-1955, with supply of recording paper by Ilford, 1970-1979

Twin-beam portable electrocardiograph machine

1935-1955

The 'Hasher', 'Athol' or 'Steamboat' hand-operated food-chopping machine, with ratchet mechanism to rotate container and beam and crank mechanism to work the chopper, all mounted on wooden base, invented by L.S . Starrett of Massachusetts, U.S.A., 1860-1900

The 'Hasher', 'Athol' or 'Steamboat' hand-operated food-chopping machine

1860-1900

Large experimental hand-operated apple peeling machine, resembling a lathe with 2 spindles and the tool holder turned via a handle and complex gearing, designed by Bennet Woodcroft to improve on American designs, 1870-1876

Hand-operated apple peeling machine, resembling a lathe

1876

Syringe dispensing machine for use by drug addicts to limit the spread of AIDS (HIV). Operated by metal tokens it dispenses packs containing 3 syringes, 3 needles, 1 condom and replacement vending token, as well as providing a safe disposal point for used needles. Developed by the Lifeline Project Ltd, Manchester, English, 1991

Syringe dispensing machine, English, 1991

1991