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Poster for Theory Of Simplex And Phantom Circuits - Part I - Balanced Conditions (1944)

Theory Of Simplex And Phantom Circuits - Part I - Balanced Conditions (1944)

1944 · Newsreel · 13 min

Synopsis

The theory of simplex and phantom telephone circuits under balanced conditions; a 1944 Department of Defense training film, part one.

Synopsis, reviewed

Details

Running time
13 minutes

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