Hearing Aid
notes: label: Description
content: Miller Reese Hutchison (1877-1944) was an electrical engineer from Alabama who, while working in New York City, invented a carbon microphone hearing aid which he termed the Acousticon. The Hutchison Acoustic Co. showed two hearing aids, the Acousticon and the Massicon, at the St. Louis International Exhibition of 1904. This example is an Acousticon Model A.
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: 1978.0328.38
label: catalog number
content: 1978.0328.38
label: accession number
content: 1978.0328
label: model number
content: A
label: serial number
content: 2620
objectType: label: Object Name
content: hearing aid
physicalDescription: label: Measurements
content: overall: 1 1/4 in x 2 1/4 in; 3.175 cm x 5.715 cm
label: Measurements
content: microphone: 7/8 in x 3 3/8 in; 2.2225 cm x 8.5725 cm
label: Measurements
content: earphone: 1 in x 2 1/4 in; 2.54 cm x 5.715 cm