Hearing Aid
notes: label: Description
content: Hearing aid known as a conversation tube.
label: Description
content: Ref: George Tieman & Co., American Armamentarium Chirurgicum (New York, 1879), p. 53.
label: Description
content: Charles Truax, The Mechanics of Surgery (Chicago, 1899), p. 796.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Medicine
creditLine: label: Credit Line
content: Gift from Harold J. Trussel
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1981.0827.02
label: accession number
content: 1981.0827
label: catalog number
content: 1981.0827.02
objectType: label: Object Name
content: hearing aid
label: Object Name
content: conversation tube
label: Object Name
content: hearing aid, conversation tube
label: Other Terms
content: Medicine
physicalDescription: label: Measurements
content: overall: 1 3/4 in x 7 in x 5 1/2 in; 4.445 cm x 17.78 cm x 13.97 cm
label: Measurements
content: overall: 120 cm; x 47 1/4 in