Books by W T Wilkinson

Photo-Engraving, Photo-Etching, and Photo-Lithography in Line and Half-Tone

Also, Collotype and Heliotype

Photo-mechanical Processes

A Practical Guide to Photo-zincography, Photo-lithography, and Collotype

Photo-mechanical Processes, a Practical Guide to the Production of Letterpress Blocks in Line and in Tone, Photo-lithography in Line and Tone, Collotype, and Photogravure