ADT type 75 alarm transmitter
notes: label: Description (Brief)
content: ADT type 75 transmitter for burglar alarm. Code wheels for sending transmissions to central office. Sheet steel box with hinged cover housing mostly brass spring motor and gear train, stirrup handled winding lever protrudes from right side. ADT (American District Telegraph) marking on label.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Thomas Neely, Jr.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1984.0255.03
label: catalog number
content: 1984.0255.03
label: accession number
content: 1984.0255
objectType: label: Object Name
content: Box, Signal
label: Object Name
content: alarm transmitter
physicalDescription: label: Physical Description
content: metal, steel (overall material)
label: Physical Description
content: metal, brass (overall material)
label: Measurements
content: overall: 7 in x 9 1/2 in x 11 1/2 in; 17.78 cm x 24.13 cm x 29.21 cm