Talk:1911 Encyclopædia Britannica/Process (printing)

Sources:
 * first page: http://en.wikisource.org/w/index.php?title=User:Tim_Starling/ScanSet_PNG_demo&vol=22&page=ED2A422
 * last page: http://en.wikisource.org/w/index.php?title=User:Tim_Starling/ScanSet_PNG_demo&vol=22&page=ED2A429