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Portable electrocardiograph machine

1929

ECG machine

1968-1976
Electrocardiograph machine, 4-channel display Roche monitor 144, for use in operating theatre with Roche modules made by Roche Ltd. and supplied by Kontron Instruments Ltd., 1979

Electrocardiograph machine

1979
Cambridge Transrite cardiograph Mark 2 electrocardiograph machine, no.C647127, by Cambridge Instrument Co. Ltd., English, 1959

Cambridge Transrite cardiograph Mark 2 electrocardiograph machine

1959
Junior electrocardiograph machine, portable, recordings made on photographic paper, supplied by Sierex Ltd., London, made by Elema-Jarnh, Stockholm, 1945-1955

Junior electrocardiograph machine

1945-1955
Cossor-Robertson electrocardiograph machine, purportedly the first kind to allow direct visual observation and a permanent record of the pulse, by A.C.Cossor Ltd., 32 Corsica Street, London, N5, England, 1930-1950.

Cossor-Robertson electrocardiograph machine

1930-1950
Sanborn Viso 100 portable electrocardiograph machine in wooden case, pen-and-ink recording, by Sanborn, USA., 1935-1955

Sanborn Viso 100 portable electrocardiograph machine in wooden case

1935-1955
Mobile electrocardiograph machine used at the Royal Postgraduate Medical School, made by the Cambridge Instrument Co. Ltd., Cambridge and London, 1930-1934

Mobile electrocardiograph machine used at the Royal Postgraduate Medical School

1930-1934
Module containing one ECG module and three blood pressure modules, for use in operating theatre with other Roche modules, made by Roche Ltd and including a blood pressure simulator and supplied by Kontron Instruments Ltd., 1979

Module containing one ECG module and three blood pressure modules

1979
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
Portable electrocardiograph machine, all-mains model, on wheeled trolley, with accessories, by the Cambridge Instrument Co. Ltd., 1934

Portable electrocardiograph machine with trolley and accessories

1934
Portable electrocardiograph machine, all-mains model, No. C288771, by the Cambridge Instrument Co. Ltd, 1940

Portable electrocardiograph machine

1940
Portable electrocardiograph machine, type 25B, by Cardiac Recorders Ltd., London, c1950

Portable electrocardiograph machine

1946-1955
Sanborn Viso-Cardiette electrocardiograph machine, model 52, in wooden case, pen-and-ink recording, by Sanborn, USA, 1935-1955

Sanborn Viso-Cardiette electrocardiograph machine

1935-1955
Portable electrocardiograph machine, all-mains model, cover missing, on trolley with case containing 8 film drums, No.C431477, by Cambridge Instrument Co. Ltd., 1946

Portable electrocardiograph machine

1946
Portable electrocardiograph machine, all-mains model, with battery in case and accessories, No. C288766, by Cambridge Instrument Co. Ltd., 1940

Portable electrocardiograph machine

1940
Electrocardiograph machine, portable and with own trolley and accessories, 4-lead model, recordings made on photographic paper, by General Radiological Ltd., London, 1945-1952

Electrocardiograph machine

1945-1952
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