Reperforator Switching in Modern Telegraphy
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 26: Audiovisual Materials / 26.1: Employee Training Films / Reperforator Switching in Modern Telegraphy
physdesc: label: Extent
content: 1 Videocassettes (BetacamSP)
unitdate: label: Date
content: circa 1943
container: label: Container
content: Box 811, Item MV 205.17
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Moving Images
label: Type
content: Videocassettes (betacamsp)