from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. In telegraphy, the source of power that actuates the telegraphic station recording instruments, as distinguished from the source of power that furnishes current to the line.
  • n. In telephony, a source of local power for a telephone instrument, as opposed to being powered from the central office.

from the GNU version of the Collaborative International Dictionary of English

  • adj. the battery which actuates the recording instruments of a telegraphic station, as distinguished from the battery furnishing a current for the line.


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