Hearing Aid
notes: label: Description
content: Swan-shaped ear trumpet made of metal with an ivory tip. The form was termed a London hearing dome or grand opera dome.
label: Description
content: Ref: Charles Truax, <i>The Mechanics of Surgery</i> (Chicago, 1899), p. 798.
label: Description
content: Irving Wilson Voorhees, “Mechanical Aids to Hearing” in Thomas Lathrop Steadman, ed., <i>A Reference Handbook of the Medical Sciences</i> (New York, 1915), vol. 5, p. 45.
label: Location
content: Currently not on view
place: label: Associated Place
content: United States: New York, New York City
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-09837
label: accession number
content: 236658
label: catalog number
content: M-09837
objectType: label: Object Name
content: Hearing Aid
label: Object Name
content: hearing aid, ear trumpet
label: Other Terms
content: Hearing Aid; Prosthesis; Ear Trumpet
physicalDescription: label: Physical Description
content: metal, brass (overall material)
label: Physical Description
content: rubber, hard(?) (overall material)
label: Measurements
content: overall: 11.5 cm x 8.2 cm x 5.9 cm; 4 1/2 in x 3 1/4 in x 2 5/16 in
label: Measurements
content: overall: 4 1/2 in x 3 in x 2 3/8 in; 11.43 cm x 7.62 cm x 6.0325 cm