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 firm gave this example to the Smithsonian in 1944. The inscription reads “Baumanometer / REG. U.S. PAT. OFF. / BLOOD-PRESSURE STANDARD / THE WORLD OVER / U.S. PATS. NOS. 1594039 & 1821902 / MADE IN U.S.A. / W.A. BAUM Co. Inc. - NEW YORK / KOMPAK MODEL.”

Ref: William A. Baum, “Manometer,” U.S. Patent 1,594,039 (July 27, 1926), assigned to W. A. Baum Co.

William A. Baum, “Manometer,” U.S. Patent 1,821,902 (Sept. 1, 1931), assigned to W. A. Baum Co., Inc.

Date Made: 1944

Maker: W. A. Baum Co. Inc.

Location: Currently not on view

See more items in: Medicine and Science: Medicine


Exhibition Location:

Credit Line: Gift of W. A. Baum Co. Inc.

Data Source: National Museum of American History

Id Number: MG.M-05267Catalog Number: M-05267Accession Number: 168968

Object Name: sphygmomanometerOther Terms: Diagnostic Medicine

Measurements: overall: 1 1/2 in x 11 3/4 in x 3 7/8 in; 3.81 cm x 29.845 cm x 9.8425 cm


Record Id: nmah_723395

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