Super Dome
... that Pullman-Standard's Super Dome was the first full-length dome car to enter service?
... that <a href="./Pullman_Company" id="mwDFA" rel="mw:WikiLink" title="Pullman Company">Pullman-Standard</a>'s <b id="mwDFE"><a href="./Super_Dome_(railcar)" id="mwDFI" rel="mw:WikiLink" title="Super Dome (railcar)">Super Dome</a></b> was the first full-length <a href="./Dome_car" id="mwDFM" rel="mw:WikiLink" title="Dome car">dome car</a> to enter service?