Portable Commutator Explained

The Portable Commutator was a telecommunications device that was used by the military during World War I. It was manufactured by Northern Electric Company.[1] It was used as a one-wire telegraphic switchboard.[2]

Notes and References

  1. Web site: Nortel . Douglas Hunter . January 5, 2018 . February 15, 2021 . The Canadian Encyclopedia.
  2. Web site: Goliath's Fall . May 15, 2012 . February 15, 2021 . Savid Vye . Microwave Journal.

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