Western Union Testing and Regulating Training Course Laboratory Experiments
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 13: Operating Records / 13.7: Rules & Regulations
unitdate: label: Date
content: 1930
container: label: Container
content: Box 497, Folder 8
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials