A 3-view line drawing of the Convair XC-99.
U.S. Military
<a rel="nofollow" class="external free" href="http://www.alternatewars.com/SAC/XC-99_CS_-_3_May_1954.pdf">http://www.alternatewars.com/SAC/XC-99_CS_-_3_May_1954.pdf</a>