The Collaborative International Dictionary of English v.0.48:

Hectograph \Hec"to*graph\, n. [Gr. ? hundred + -graph.]
   A contrivance for multiple copying, by means of a surface of
   gelatin softened with glycerin. [Written also hectograph.]
   Hectoliter

The Collaborative International Dictionary of English v.0.48:

Chromograph \Chro"mo*graph\, n. [Gr. ? color + -graph.]
   An apparatus by which a number of copies of [ritten katter,
   kaps, plons, etc., can be made; -- called also hectograph.
   [1913 Webster]

WordNet (r) 3.0 (2006):

hectograph
    n 1: duplicator consisting of a gelatin plate from which ink can
         be taken to make a copy [syn: hectograph, heliotype]
    v 1: copy on a duplicator; "hectograph the hand-outs"