motograph definition

  • noun:
    • a computer device found in the generating of a loud-speaking phone, according to the fact that the rubbing between a metallic point and a moving cylinder of moistened chalk, or a moving slide of paper, upon which it rests is diminished by the passage of a present between your point together with moving surface.
    • A form of telegraph-or telephone-receiver, devised by Edison, depending because of its activity regarding difference for the friction between two conductors in general motion, whenever a current of electrical energy is transmitted from one to the other across the area of contact.

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