ADT System 721, part of burglar alarm system
notes: 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: 1984.0255.18
label: catalog number
content: 1984.0255.18
label: accession number
content: 1984.0255
objectType: label: Object Name
content: Detector, Sound
label: Object Name
content: microphone
label: Object Name
content: sound detector
physicalDescription: label: Physical Description
content: metal, steel (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 6.5 cm x 10.8 cm; x 2 9/16 in x 4 1/4 in