[f. CHRONO- 2 + -GRAPH.]
† 1. A picture in color; ? a chromolithograph.
1864. Realm, 15 June, 6. Mr. Day … is about to reproduce the drawings in full size chromograph.
2. An apparatus for multiplying copies of written matter, in which aniline dye is used instead of ink.
The writing is transferred to the surface of a gelatinous substance, whence many copies can be taken on paper by pressure, without further application of the pigment.
1880. Whitaker’s Almanack, 331/2. Under the name of the ‘chromograph’ there has been introduced a very simple and convenient apparatus for reproducing manuscripts, plans, &c.
Hence Chromograph v., to copy by means of the chromograph.
Mod. The Examination papers will be chromographed from the examiner’s copy.
