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
