US&S Co. railway signaling relay
name: label: maker
content: Union Switch and Signal Company
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 Field Curry
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.335802
label: catalog number
content: 335802
label: accession number
content: 1978.0169
label: maker number
content: 3524
objectType: label: Object Name
content: Relay
label: Object Name
content: communications relay
label: Other Terms
content: Relay; Telegraphy
physicalDescription: label: Measurements
content: overall: 21 cm x 17.5 cm; 8 1/4 in x 6 7/8 in