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Definition of Phototelegraphy
1. n. Telegraphy by means of light, as by the heliograph or the photophone. Also, less properly, telephotography.
Definition of Phototelegraphy
1. [n -PHIES]
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1. n. Telegraphy by means of light, as by the heliograph or the photophone. Also, less properly, telephotography.
1. [n -PHIES]