Side view of original Colt <a href="https://en.wikipedia.org/wiki/M1911_pistol" class="extiw" title="w:M1911 pistol">M1911 pistol</a> ("Automatic Pistol, Caliber .45, Model of 1911") as shown in the U.S. Army's 1912 manual for the pistol.
U.S. Army, <a href="https://en.wikipedia.org/wiki/Ordnance_Corps_(United_States_Army)" class="extiw" title="w:Ordnance Corps (United States Army)">Ordnance Department</a>
<p><a href="https://en.wikipedia.org/wiki/Ordnance_Corps_(United_States_Army)" class="extiw" title="w:Ordnance Corps (United States Army)">Ordnance Department</a>, U.S. Army (April 1, 1912; revised February 14, 1914; printed 1917). <i><a rel="nofollow" class="external text" href="http://handle.slv.vic.gov.au/10381/106802">Description of the Automatic Pistol, Caliber .45, Model of 1911, with Rules for Management, Memoranda of Trajectory, and Description of Ammunition</a></i>, Plate I (following page 20). From <a href="https://en.wikipedia.org/wiki/State_Library_Victoria" class="extiw" title="w:State Library Victoria">State Library Victoria</a>. 
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<td style="width:100%;">This  is a <i><b><a href="https://en.wikipedia.org/wiki/Image_editing" class="extiw" title="w:Image editing">retouched picture</a></b></i>, which means that it has been digitally altered from its original version. Modifications: <i>rotated 90 degrees, mild crop, mild contrast stretch</i>.  Modifications made by <a href="//commons.wikimedia.org/wiki/User:Colin_Douglas_Howell" title="User:Colin Douglas Howell">Colin Douglas Howell</a>.
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