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
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Many thanks

Janet