Hearing Aid
notes: label: Description
content: Hearing aid of the sort termed a conversation tube. The mouthpiece and earpiece are made of hard rubber.
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
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: MG.M-10703
label: catalog number
content: M-10703
label: accession number
content: 254866
objectType: label: Object Name
content: Hearing Aid
label: Object Name
content: hearing aid, conversation tube
label: Other Terms
content: Hearing Aid; Medicine
physicalDescription: label: Measurements
content: overall: 41 in x 2 1/4 in; x 104.14 cm x 5.715 cm
label: Measurements
content: overall, as stored: 2 3/8 in x 13 1/2 in x 16 1/2 in; 6.0325 cm x 34.29 cm x 41.91 cm