Audiometer
notes: label: Description
content: An audiometer is used to determine hearing ability. An inscription on this example reads "Pat. Aug 6-07, SOLE MFRS., G. P. PILLING & SON CO., Phila. PA." The referenced patent was issued to Joseph M. McCallie (1863-1942), a graduate of the University of Tennessee who became an educator in Newark. George P. Pilling was a jeweler in Philadelphia who began offering surgical instruments in 1860. The firm became George P. Pilling & Son in the 1890s.
label: Description
content: Ref: Joseph J. McCallie, “Audiometer,” U.S. Patent 862,501 (Aug. 6, 1907).
label: Description
content: Ad for Pilling-McCallie Audiometer in <i>Journal of Education</i> 72 (Dec. 15, 1910): 617.
label: Description
content: “Joseph M. McCallie,” <i>New York Times</i> (Jan. 16, 1942), p. 21.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Medicine
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1984.0703.01
label: catalog number
content: 1984.0703.01
label: accession number
content: 1984.0703
objectType: label: Object Name
content: audiometer
physicalDescription: label: Measurements
content: overall -box: 6 in x 9 in x 8 1/2 in; 15.24 cm x 22.86 cm x 21.59 cm