electrograph

3 definitions found

electrograph - Collaborative International Dictionary of English v.0.48 :

  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.]

  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.]

electrograph - WordNet (r) 2.1 (2005) :

  electrograph
      n 1: an apparatus for the electrical transmission of pictures
      2: electrical device used for etching by electrolytic means