Sphygmomanometer

Sphygmomanometer

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Description
William A. Baum (1891-1964) invented a machine for measuring blood pressure, termed it a Baumanometer and established a firm to make and market it. The W. A. Baum & Co. gave this example to the Smithsonian in 1923.
Ref: William A. Baum, “Manometer,” U.S. Patent 1,594,039 (July 27, 1926), assigned to W. A. Baum Co.; the patent application was filed in 1920.
“W. A. Baum, Inventor of a Medical Device,” New York Times (Oct. 27, 1964), p. 39.
Location
Currently not on view
Object Name
sphygmomanometer
date made
1920-1923
maker
W. A. Baum Co. Inc.
Physical Description
mercury; brass alloy; rubber; fabric; glass; wood; paper; varnish (overall material)
Measurements
overall, open as displayed: 15 in x 4 1/2 in x 15 in; 38.1 cm x 11.43 cm x 38.1 cm
ID Number
MG.M-01659
catalog number
M-01659
accession number
70677
Credit Line
Gift of W. A. Baum Company Inc.
See more items in
Medicine and Science: Medicine
Data Source
National Museum of American History
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