Relay-Polarized
date: label: date made
content: 1920
label: associated date
content: 1920
name: label: maker
content: Western Electric
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Chesapeake & Potomac Telephone Company, thru Leo O'Connor
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.337056
label: catalog number
content: 337056
label: accession number
content: 1980.0277
objectType: label: Object Name
content: Relay
label: Object Name
content: telephone component
label: Other Terms
content: Relay; Components; Telephone and Telegraph; Telephone and Telegraph
physicalDescription: label: Measurements
content: overall: 4 in x 2 in x 2 in; 10.16 cm x 5.08 cm x 5.08 cm