Photo-engraving, Photo-etching and Photo-lithography in Line and Half-tone

Full Title

Photo-engraving, Photo-etching and Photo-lithography in Line and Half-tone
Also Collotype and Heliotype

Language

en

Duration

~7 hours (420K characters)

Credits

Produced by Chris Curnow, RichardW, and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)

Publisher of text edition

Project Gutenberg

Subjects