a current, and this current is sent making of transparencies. Duplicate positives from a to the moving picture machine. In the latter there trical equipment, and the number of delays has been less, we understand, than in the days of steam service. series of negatives are out of the question. is… … Weight-driven phonograph used to send The phonograph repeats the previously recorded utterances of the The motor in its portable case. The handle serves to actor while he performs the necessary gestures in synchronism operate the differential so as to keep the phono- a current into the distant…
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