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  • ...ng device was called the [[difference engine]]; Military devices such as [[catapult]]s are referred to as ''[[siege engine]]s''.
    9 KB (1,353 words) - 00:51, 9 August 2009
  • ...ng device was called the [[difference engine]]; Military devices such as [[catapult]]s are referred to as ''[[siege engine]]s''.
    9 KB (1,383 words) - 00:47, 4 March 2009
  • ...nchgun.jpg|right|thumb|225pix|An artist's conception of an electromagnetic catapult on the Moon]] *[[mass driver|Electromagnetic catapult]] ([[railgun]], [[coilgun]])
    30 KB (4,590 words) - 20:28, 7 August 2008