electrograph

n. [ Electro- + -graph. ] 1. A mark, record, or tracing, made by the action of electricity. [ 1913 Webster ]

2. An apparatus, controlled by electric devices, used to trace designs for etching. [ Webster 1913 Suppl. ]

3. An instrument for the reproduction at a distance of pictures, maps, etc., by means of electricity. [ archaic ] [ Webster 1913 Suppl. ]

4. An image made by the Röntgen rays; a sciagraph. [ archaic ] [ Webster 1913 Suppl. ]

5. A cinematograph using the arc light. [ archaic ] [ Webster 1913 Suppl. ]