NaBloPoMo – Communications and Generic Japanese Key

Just basically a very generic Japanese made key.  It is very similar to the J-38 key and the J. H. Bunnell key I showed earlier.  Except that it has ball bearing movement.  Anyway,  if you notice,  both it and its predecessors have a shorting lever.  This was originally for the telegraph line;  you shorted your key out when you were done transmitting so you could receive messages.  With early radios,  you used it to transmit a carrier so you could adjust antenna tuners, amplifiers and such.

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One Response to NaBloPoMo – Communications and Generic Japanese Key

  1. Jaypo says:

    This is really cool!

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