Invitation of Morse to operation of Electro Magnetic Telegraph. 1838 (copy and negative)
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 / 23.13: Oversized Photographs
container: label: Container
content: Box 775, Folder 11
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Photographs