switch for electrocardiograph
Date: circa 1920
Inventory Number: RS0372g
Classification: Electrocardiograph
Subject:
Maker: Hindle Instrument Company ? (1914 - 1922)
User: Samuel Albert Levine (1891 - 1966)
Cultural Region:
Place of Origin:
City of Use:
Dimensions:
6 x 7 x 15 cm (2 3/8 x 2 3/4 x 5 7/8 in.)
Accessories: entire electrocardiograph consists of: bench (RS0372), string galvanometer(RS0372a), time marker (RS0372b), photographic recorder (RS0372f), and several accessories and parts (RS0372c,d,e,g)
Description:
Switch mounted on rectangular wooden board with miscellaneous attached wires, ends taped off.
Signedunsigned
Inscribedon one end: 622535
Historical AttributesPart of Dr. Samuel A. Levine's Cardiograph (RS0372*). This was the first such machine outside a hospital in a doctors office.
Curatorial RemarksSpecific use in electrocardiograph unknown.
Primary SourcesA good description of an electrocardiograph from the period with its various components is found in:
"Some Notes on the Electro-Cardiograph" in Journal of the Institution of Electrical Engineers Vol.57, Issue 1 (1919) part S, pp.13-26. Issue available online through the IEEE website here.
A shorter description of this specific electrocardiograph is is Electrical World Vol. 74 (1919), p.683. Available on Google Books here.
"Some Notes on the Electro-Cardiograph" in Journal of the Institution of Electrical Engineers Vol.57, Issue 1 (1919) part S, pp.13-26. Issue available online through the IEEE website here.
A shorter description of this specific electrocardiograph is is Electrical World Vol. 74 (1919), p.683. Available on Google Books here.
ProvenanceDr. Samuel A. Levine, 1960.
