Kellogg type 177C chest-mounted microphone
name: label: associated user
content: unknown
label: maker
content: Kellogg Switchboard and Supply Company
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: ZZ.RSN80564U20
objectType: label: Object Name
content: Microphone
label: Other Terms
content: Microphone; Telephones; Transmitter
physicalDescription: label: Measurements
content: overall: 5 1/2 in x 5 13/16 in x 5 1/2 in; 13.97 cm x 14.732 cm x 13.97 cm