[posted] Posted (#33899, Wright) !

[Chuck Greif]

Optical Projection, by Lewis Wright and Russell S Wright            33899
  [Subtitle: Part 1: Projection of Lantern Slides]
  [Link: http://www.gutenberg.org/3/3/8/9/33899 ]
  [Files: 33899.txt; 33899-8.txt; 33899-h.htm]

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



Chuck