3 Sep
2015
3 Sep
'15
2:57 p.m.
Collotype and Photo-lithography, by Julius Schnauss 49866 [Translator: Edwin C. Middleton] [Link: http://www.gutenberg.org/4/9/8/6/49866 ] [Files: 49866-0.txt; 49866-h.htm] Thanks to Chris Curnow and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) David