- Listenly
- Public Library
- Project Gutenberg
- W. T. Wilkinson
- Photo-engraving, Photo-etching and Photo-lithography in Line and Half-tone
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)
Publisher of text edition
Project Gutenberg
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)