picture transmission - a system of facsimile having special regard to tone reproduction, in which the reception involves photographic processes, phototelegraphy - electric reproduction of pictures, writings, etc., at a distance; telephotography; in mod. use, a system of facsimile telegraphy in which variations of tone are adequately preserved; hence phototelegraphic a.; also phototelegram - a telegram sent by phototelegraphy; phototelegraph - an apparatus used for phototelegraphy, phototelegraphy; photograph fasimile telegraphy - a system of facsimile telegraphy, having special regard to half-tone reproduction in which reception involves photographic processes, telegraaf kirjutiste, jooniste, fotode jms. edastamiseks