Search Results for: Transmission apparatus for television with incorporated sound recording
and its transmission. some of his results are preserved in thomson's annals of philosophy for . he recognised that sound is propagated by waves or oscillations of the atmosphere, as light was then believed to be by undulations of the luminiferous ether . water, and solid bodies, such as glass, or metal
, or sonorous wood, convey the modulations with high velocity, and he conceived the plan of transmitting sound-signals, music, or speech to long distances by this means. he estimated that sound would travel miles per second ( km/s ) through solid rods, and proposed to telegraph from london to edinburgh...
https://en.wikipedia.org/wiki/Charles_Wheatstone