Electrograph
Electrograph , noun
[Electro- + -graph.]
1.
A mark, record, or tracing, made by the action of electricity.
2.
An apparatus, controlled by electric devices, used to trace designs for etching.
3.
An instrument for the reproduction at a distance of pictures, maps, etc., by means of electricity. [archaic]
4.
An image made by the Rontgen rays; a sciagraph. [archaic]
5.
A cinematograph using the arc light. [archaic]