This volume contains reproduction in colour of sixteen Jacobite pictures and seven portraits in collotype.
With thirty-two portraits in collotype and frontispiece in colour.
The two collotype plates represent A2 recto (title page) and A3 recto in the Dyce copy of the original.
Four portraits in colour, twenty-five in collotype and several letters in facsimile.
With frontispiece in colour and thirty-five portraits in collotype.
As a general rule photo-micrographs are best reproduced by collotype.
This discovery led to the invention of the Autotype, Woodburytype, collotype, and other methods of photo-mechanical printing.
The collotype plate is then exposed under the negative and washed in cold water until the yellow bichromate no longer comes away.
collotype, kol′o-tīp, n. a photographic process much used for book illustrations and advertising purposes.
An author will naturally consider whether a photograph is to be reproduced by means of photogravure, collotype or half-tone.