Pho*tog"ra*phone (?), n. [See Photograph; -phone.] A device, consisting essentially of an electric arc and a camera, by which a series of photographs of the variations of the arc due to sound waves are obtained for reproduction by means of a selenium cell and a telephone.

Pho*tog"ra*phone (?), n. [See Photograph; -phone.] A device, consisting essentially of an electric arc and a camera, by which a series of photographs of the variations of the arc due to sound waves are obtained for reproduction by means of a selenium cell and a telephone.