Electrograph, n. [Electro- + -graph.].
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A mark, record, or tracing, made by the action of electricity. [1913 Webster]
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An apparatus, controlled by electric devices, used to trace designs for etching. [Webster 1913 Suppl.]
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An instrument for the reproduction at a distance of pictures, maps, etc., by means of electricity. [Webster 1913 Suppl.]
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An image made by the Röntgen rays; a sciagraph. [Webster 1913 Suppl.]
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A cinematograph using the arc light. [Webster 1913 Suppl.]