From The Collaborative International Dictionary of English v.0.48 [gcide]:
Electrograph \E*lec"tro*graph\, 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 R["o]ntgen rays; a sciagraph.
[archaic]
[Webster 1913 Suppl.]
5. A cinematograph using the arc light. [archaic]
[Webster 1913 Suppl.]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Cinematograph \Cin`e*mat"o*graph\, n. [Gr. ?, ?, motion +
-graph.]
1. an older name for a {movie projector}, a machine,
combining magic lantern and kinetoscope features, for
projecting on a screen a series of pictures, moved rapidly
(25 to 50 frames per second) and intermittently before an
objective lens, and producing by persistence of vision the
illusion of continuous motion; a moving-picture projector;
also, any of several other machines or devices producing
moving pictorial effects. Other older names for the {movie
projector} are {animatograph}, {biograph}, {bioscope},
{electrograph}, {electroscope}, {kinematograph},
{kinetoscope}, {veriscope}, {vitagraph}, {vitascope},
{zoogyroscope}, {zoopraxiscope}, etc.
The cinematograph, invented by Edison in 1894, is
the result of the introduction of the flexible film
into photography in place of glass. --Encyc. Brit.
[Webster 1913 Suppl.]
2. A camera for taking chronophotographs for exhibition by
the instrument described above.
[Webster 1913 Suppl.]
From WordNet (r) 3.0 (2006) [wn]:
electrograph
n 1: an apparatus for the electrical transmission of pictures
2: electrical device used for etching by electrolytic means
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