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Leech microprojector

1951-1960

Portable apparatus for continuous administration of Pentothal

1935-1945

Fahrenheit thermometer

1826-1854

Bath thermometer

1871-1925

ECG machine

1968-1976

Cambridge multi-channel recording outfit using photographic paper recording method, by Cambridge Instrument Co., 1956

Cambridge multi-channel recording outfit using photographic paper recording method

1956

Portable apparatus for continuous administration of Pentothal, Major Dennis Dunnill's design, by Down Bros., 23 Park Hill Rise, Croydon, England, 1935-1945.

Portable apparatus for continuous administration of Pentothal

1935-1945

Electrically illuminated liquid prismatic compass by Kelvin, Bottomley and Baird, early 20th century

Surveying compass, British, 1913-1920

1913-1920

Pulse analyser type N102, by Dynatron Radio Ltd., Maidenhead, 1950-1960

Pulse analyser type N102

1951-1960

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

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

Vickers M41 photoplan microscope with power pack and instruction booklet

Vickers M41 photoplan microscope

1975-1980

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

Analogue drum transport system by Dresser SIE, Houston, 1965, for transcription of data from analogue to digital tapes

Analogue Drum Transport System by Dresser SIE

1965