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Thesaurus: telegraphoscope
An instrument for telegraphically transmitting a picture and reproducing its image as a positive or negative. The transmitter includes a camera obscura and a row of minute selenium cells. The receiver includes an oscillo…
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Definitions
- An instrument for telegraphically transmitting a picture and reproducing its image as a positive or negative. The transmitter includes a camera obscura and a row of minute selenium cells. The receiver includes an oscillograph, ralay, equilibrator, and an induction coil the sparks from which perforate a paper with tiny holes that form the image.
- An instrument for telegraphically transmitting a picture andreproducing its image as a positive or negative. The transmitterincludes a camera obscura and a row of minute selenium cells. Thereceiver includes an oscillograph, ralay, equilibrator, and aninduction coil the sparks from which perforate a paper with tinyholes that form the image.