The Methods of Glass Blowing and of Working Silica, by W. A. Shenstone 33941 [Full title: The Methods of Glass Blowing and of Working Silica in the Oxy-Gas Flame] [Subtitle: For the use of chemical and physical students] [Link: http://www.gutenberg.org/3/3/9/4/33941 ] [Files: 33941.txt; 33941-8.txt; 33941-h.htm] Thanks to Harry Lamé and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) Many thanks Janet