Patent model, Berliner microphone, US Patent # #225,790
date: label: Date made
content: 1880
name: label: maker
content: Berliner, Emile
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.308619
label: catalog number
content: 308619
label: accession number
content: 89797
label: patent number
content: 225790
label: patent number
content: 225790
objectType: label: Object Name
content: Microphone
physicalDescription: label: Measurements
content: overall: 4 in x 3 in x 1 in x 3 in; 10.16 cm x 7.62 cm x 2.54 cm x 7.62 cm