Cable Photographs-Negatives
name: label: Collection Creator
content: United Telegraph Workers.
label: Collection Creator
content: Western Union Telegraph Company
setName: label: See more items in
content: Western Union Telegraph Company Records
label: See more items in
content: Western Union Telegraph Company Records / Series 23: Photographs / 23.10: Cable Photographs (Facsimiles)
unitdate: label: Date
content: 1939-1940
container: label: Container
content: Box 755, Folder 3
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Photographs
scopecontent: label: Scope and Contents note
content: Test Chart 7B, Chart 7B, Simultaneous readings on old and new machines, lab test on new machine, test picture