Submarine telegraph 4PZ vacuum tube assembly
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 International
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.329823
label: catalog number
content: 329823
label: accession number
content: 283729
objectType: label: Object Name
content: Telegraph Tube Unit Assembly
label: Object Name
content: submarine telegraph component