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 inscriptions on this example read “Baumanometer / PAT. PEND.- TRADE MARK REG. / W. A. BAUM CO. INC. NEW YORK” and “PILLING / & SON CO / PHILA.

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

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

Date Made: 1909

Location: Currently not on view

See more items in: Medicine and Science: Medicine


Exhibition Location:

Credit Line: Gift of The Medical and Chirurgical Faculty of the State of Maryland

Data Source: National Museum of American History

Id Number: MG.302606.735.02Accession Number: 302606Catalog Number: 302606.735.02

Object Name: SphygmomanometerOther Terms: Sphygmomanometer; Blood Pressure Determination

Physical Description: fabric, cotton (overall material)rubber (overall material)metal, steel (overall material)ivory (overall material)Measurements: overall -container: 4 in x 4 in x 16 in; 10.16 cm x 10.16 cm x 40.64 cm

Guid: http://n2t.net/ark:/65665/ng49ca746a9-ab8e-704b-e053-15f76fa0b4fa

Record Id: nmah_1130562

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