telharmonium

== English == === Etymology === From tele- +‎ harmonium. === Noun === telharmonium (plural telharmoniums) (historical) An early electric musical instrument for producing music at a distant point or points by means of alternating current. An operator plays a keyboard, and the music is reproduced remotely by a receiving instrument resembling a telephone, but not held to the ear. ==== Related terms ==== telharmony telharmonic