type 3A call circuit unit
name: label: Maker
content: Western Union Corporation
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 Western Union Corporation
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.331276
label: accession number
content: 294351
label: collector/donor number
content: 100-330
label: catalog number
content: 331276
label: accession number
content: 294351
objectType: label: Object Name
content: telegraph switch
label: Object Name
content: Call Circuit Unit
label: Object Name
content: switch
physicalDescription: label: Physical Description
content: brass (part: material)
label: Physical Description
content: metal (part: material)
label: Physical Description
content: wood (part: material)
label: Measurements
content: overall: 8 1/4 in x 5 1/4 in x 8 in; 20.955 cm x 13.335 cm x 20.32 cm