Hearing Aid
notes: label: Description
content: Hearing aid known as a conversation tube.
label: Description
content: Ref: George Tieman & Co., <i>American Armamentarium Chirurgicum</i> (New York, 1879), p. 53.
label: Description
content: Charles Truax, <i>The Mechanics of Surgery</i> (Chicago, 1899), p. 796.
label: Location
content: Currently not on view
place: label: place made
content: United States: Vermont, Underhill Center
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: 1984.1044.08
label: catalog number
content: 1984.1044.08
label: accession number
content: 1984.1044
objectType: label: Object Name
content: ear trumpet
label: Object Name
content: hearing aid, conversation tube
physicalDescription: label: Physical Description
content: vulcanite (overall material)
label: Measurements
content: overall: 1 7/8 in x 15 1/4 in x 11 1/4 in; 4.7625 cm x 38.735 cm x 28.575 cm
label: Measurements
content: overall: 54 cm x 4.5 cm; 21 1/4 in x 1 25/32 in