Argument of St. George T. Campbell in support of the vailidity of Morse's patents for the eletro-magnetic telegraph (Morse vs. O'Reilly)
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 11: Law Department Records / 11.2: Law Department Publications
unitdate: label: Date
content: 1853
container: label: Container
content: Box 454
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Text