Respiratory Slide Rule
notes: label: Description
content: John W. Severinghaus (1922-2021), the donor of this cardboard slide rule, was an anesthesiologist who invented modern blood-gas analysis by combining electrodes for carbon dioxide, oxygen, and pH into one machine. The inscription on one side reads in part "OXYGEN DISSOCIATION CURVE, MAN” and “J. W. SEVERINGHAUS.” That on the other reads "RESPIRATORY SLIDE RULE, HENDERSON-HASSELBBALCH EQUATION.”
label: Description
content: Ref: Philip E. Bickler, Thomas Hornbein, and Lawrence J. Seidman, “John W. Severinghaus, M.D., 1922 to 2021,” Anesthesiology 135 (2021): 555-557.
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 John W. Severinghaus
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1982.0218.06
label: accession number
content: 1982.0218
label: catalog number
content: 1982.0218.06
objectType: label: Object Name
content: Slide Rule
label: Other Terms
content: Slide Rule; Medicine
physicalDescription: label: Physical Description
content: cardboard (overall material)
label: Measurements
content: overall: 3 1/2 in x 12 in x 1/4 in; 8.89 cm x 30.48 cm x .635 cm