kinetophone

English

Etymology

From kineto- +‎ -phone.

Noun

kinetophone (plural kinetophones)

1. (historical) A machine combining a kinetoscope and a phonograph synchronized so as to reproduce a scene and its accompanying sounds.

   Synonym: kinetophonograph

   • 1941, Journal of the Society of Motion Picture Engineers:

     Shortly thereafter, many parlors installed kinetophones, in which patrons, after putting a coin in the slot, could peer through an eyepiece at moving pictures and, at the same time, by means of ear-tubes somewhat similar to the physician's stethoscope, listen to a sound accompaniment.