We don't have synonyms for photographone yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are photographing.
(n) :
(dated) 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.
(n) :
(dated) 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.