1 entry 1 source
Biophotophone
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
An instrument combining a cinematograph and a phonograph so that the moving figures on the screen are accompanied by the appropriate sounds.
1 entry 1 source
Part of speech: noun (n.)
An instrument combining a cinematograph and a phonograph so that the moving figures on the screen are accompanied by the appropriate sounds.