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Manufacturers Index - John W. Swan Co.
History
Last Modified: Dec 31 2013 2:00PM by joelr4
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Founded about 1900, to make gas engines for oilfields.

Information Sources

  • American Gasoline Engines Since 1872 by C. H. Wendel, Volume #1, 1983 page 501
  • The Complete Guide to Stationary Gas Engines by Mark Meincke, 1996 page 170