[ˏfәutә'græfәun]
光电话, 光学录音机

Photographone \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.
[Webster 1913 Suppl.]