A not oft seen train of low-floor cars: <http://images.library.pitt.edu/cgi-bin/i/image/image-idx?rgn1=hpichswp_ci;med=1;q1=MSP%2078;size=20;c=hpichswp;back=back1351992161;subview=detail;resnum=18;view=entry;lastview=thumbnail;cc=hpichswp;entryid=x-msp78.b001.f25.i02;viewid=KAUF2647.TIF>