[GreenKeys] 1924 Mackay System Video

[Harold Hallikainen]

https://www.youtube.com/watch?v=6fu6-jrzOyM&feature=youtu.be

I got this link from the California Historical Radio Society. This silent
movie shows the operation of a major telegraph company including views of
installing and repairing overland wires and undersea cable. Mostly
straight key telegraphy, but a little printing telegraph.

I thought it was great!

Harold


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FCC Rules Updated Daily at http://www.hallikainen.com
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