The Preparation of Illustrations, by John L. Ridgway                     43232   [Full title: The Preparation of Illustrations for Reports of the United                 States Geological Survey]   [Subtitle: With Brief Descriptions of Processes of Reproduction]   [Link: http://www.gutenberg.org/4/3/2/3/43232 ]   [Files: 43232.txt; 43232-8.txt; 43232-h.htm] Thanks to Tom Cosmas from materials scanned in and obtained from The Internet Archive. Chuck