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 Motion picture film (16mm black and white silent camera original reversal, 334 feet)
unitdate: label: Date
content: circa 1943
container: label: Container
content: Reel OF 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 [31983000036525]
label: Type
content: Motion picture films
scopecontent: label: Scope and Contents
content: Depicts number of steps it takes to relay a message manually (eight steps) versus by reperforator switching (four steps). How a telegraph proceeds through the system.