Hearing Aid
date: label: date made
content: 1933 - 1934
name: label: maker
content: Sonotone Corporation
notes: label: Description
content: Emil Henry Greibach (1898-1976) was born in Austria, moved to the United States in 1924, earned a physics Ph.D. from the University of Pittsburgh in 1928, and contributed to the development of bone conduction hearing aids. This example is a very early commercial model of Greibach's bone conduction hearing aid with gold conduction button. It was made by Sonotone and dates from 1933-1934.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Medicine
creditLine: label: Credit Line
content: Dr. E. H. Greibach, Ph.D.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MG.312614.06.2
label: catalog number
content: 312614.06.2
label: accession number
content: 312614
objectType: label: Object Name
content: hearing aid amplifier
label: Other Terms
content: Medicine