Photophone
[fәutәufәun]
Definition
(n.) An apparatus for the production of sound by the action of rays of light.
Edited by Colin
Definition
n. an apparatus for transmitting articulate speech to a distance along a beam of light.
Checked by Evita
[fәutәufәun]
(n.) An apparatus for the production of sound by the action of rays of light.
Edited by Colin
n. an apparatus for transmitting articulate speech to a distance along a beam of light.
Checked by Evita