Definition of telegraphone in English:

telegraphone

(also telegraphon)

noun

rare, historical
  • A device which records sounds received by telephone, so that they may be subsequently replayed or reproduced; specifically †(a) one which records sounds on to a cylinder; = telegraphophone (obsolete); (b) one which records sounds magnetically on to a metal ribbon.

Origin

Late 19th century (in an earlier sense). Apparently a blend of telegraph and -phone.

Pronunciation

telegraphone

/tɪˈlɛɡrəfəʊn/