Historical data--chronology of the telegraph, 1832-1907; chronology of Edison's life; and Ocean Cable, 1938 (typescripts)
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 27: Addenda (Series Level) / Addenda for Series 1: Historical Background
unitdate: label: Date
content: 1832-1907; 1938
container: label: Container
content: Box 832
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials