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Dates:
circa 1931
Level:
file
Size:
1 Motion picture film ( 16mm black and white silent camera original reversal, 287 feet)
Collection ID:
NMAH.AC.0205
Repository:
Archives Center, National Museum of American History

How to clean a relay and how it properly operates. Schematics included.

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Dates:
circa 1940
Level:
file
Size:
1 Motion picture film (16mm black and white silent print, 339 feet)
Collection ID:
NMAH.AC.0205
Repository:
Archives Center, National Museum of American History

Depiction of modernized, efficient, mechanized telegraph system. Many explanatory titles and close-up shots of machinery.

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Dates:
circa 1942
Level:
file
Size:
1 Motion picture film (16mm black and white silent camera original reversal, 379 feet)
Collection ID:
NMAH.AC.0205
Repository:
Archives Center, National Museum of American History

Various types of telegraph machinery and Western Union employees operating it.

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Dates:
circa 1942
Level:
file
Size:
1 Motion picture film (16mm black and white silent camera original reversal, 158 feet)
Collection ID:
NMAH.AC.0205
Repository:
Archives Center, National Museum of American History

How reperforator switching machinery operates. Incomplete: no title, no end credits.

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Dates:
circa 1942
Level:
file
Size:
1 Motion picture film (16mm black and white silent camera original reversal, 334 feet)
Collection ID:
NMAH.AC.0205
Repository:
Archives Center, National Museum of American History

"The following scenes of our Atlanta office are designed to aid in training traffic personnel in the use of reperforating equipment." Telegraph operators using machinery.

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Dates:
circa 1943
Level:
file
Size:
1 Motion picture film (16mm black and white silent camera original reversal, 334 feet)
Collection ID:
NMAH.AC.0205
Repository:
Archives Center, National Museum of American History

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.

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Dates:
circa 1929
Level:
file
Size:
1 Motion picture film (16mm black and white silent print, 324 feet)
Collection ID:
NMAH.AC.0205
Repository:
Archives Center, National Museum of American History

Cable from Emden, Germany, via Horta in the Azores. Shows route, cross sections of cable, machinery close ups.

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Dates:
circa 1934
Level:
file
Size:
1 Motion picture film (16mm black and white composite optical track print, 532 feet)
Collection ID:
NMAH.AC.0205
Repository:
Archives Center, National Museum of American History

Life on board ship which is laying cable between Newfoundland and the Azores. Many shots of shipboard cable equipment. Narrated throughout.

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Dates:
1951
Level:
file
Size:
1 Motion picture film (16mm black and white composite optical track print, 727 feet)
Collection ID:
NMAH.AC.0205
Repository:
Archives Center, National Museum of American History

Western Union services and office operations through the years, including Storkgram, Deskfax, Call Box, Telecar, Micro-Wave. Emphasizes ease of use for modern businesses. Full credits.

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Dates:
circa 1967
Level:
file
Size:
1 Motion picture film (16mm color composite optical track print, 660 feet)
Collection ID:
NMAH.AC.0205
Repository:
Archives Center, National Museum of American History

Office operations of Western Union. Emphasis on computer technology of the times.