Yeah, and they still use this to test the tractors surprisingly:

<!-- m --><a class="postlink" href="http://contentdm.unl.edu:2000/cgi-bin/getimage.exe?CISOROOT=/tractor&amp;CISOPTR=655&amp;DMSCALE=20.06018&amp;DMWIDTH=600&amp;DMHEIGHT=600&amp;DMX=0&amp;DMY=0&amp;DMTEXT=Oliver&amp;REC=3&amp;DMTHUMB=1&amp;DMROTATE=0">http://contentdm.unl.edu:2000/cgi-bin/g ... DMROTATE=0</a><!-- m -->

I'll get pictures of that thing next week.