User contributions for 71.250.28.139

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7 November 2006

  • 13:2113:21, 7 November 2006 diff hist +168‎ N Bevel gears ‎ Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L. Waddell's Bridge Engineering (New York: Wiley, 1916)
  • 13:1913:19, 7 November 2006 diff hist +136‎ N Bevel ‎ Based on Glossary of Bridge Terminology; Chapter LXXX of J.A.L. Waddell's Bridge Engineering (New York: Wiley, 1916)
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