Boas-Allied Cardiotachometer, Model BAC-4
date: label: Date made
content: 1928
name: label: user
content: Boas, Norman F.
label: inventor
content: Dr. Ernest P. Boas
label: maker
content: Allied Laboratory Instrument, Inc.
notes: label: Description
content: Ernst Philip Boas (1891-1955) was an American physician, pioneer in the fields of pathology and physiology, and expert in chronic diseases of the heart. In 1928 he and his colleagues developed the cardiotachometer, a widely used instrument for measuring the rapidity of heartbeat. An inscription on this early example reads “BOAS-ALLIED / CARDIO-TACHOMETER / ALLIED LAB INST. INC. / 115 VOLTS 60 CYCLES 150 WATTS / MODEL BAC-4.”
label: Description
content: Ref: “Ernst Boas Dead; Heart Specialist,” New York Times (March 10, 1955), p. 27.
label: Description
content: (for archival materials see NMAH.AC.0881)
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Medicine
creditLine: label: Credit Line
content: Gift of Norman F. Boas, M.D.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1984.0638.04
label: catalog number
content: 1984.0638.04
label: accession number
content: 1984.0638
objectType: label: Object Name
content: Cardiotachometer
label: Other Terms
content: Cardiotachometer; Medicine
physicalDescription: label: Measurements
content: overall: 10 in x 16 in x 20 in; 25.4 cm x 40.64 cm x 50.8 cm
label: Measurements
content: overall: 11 in x 22 in x 19 in; 27.94 cm x 55.88 cm x 48.26 cm