OLD FRAMED PHOTO OF A CAB-IN-FRONT LOCOMOTIVE. INFORAMATION ON THE BACK OF THE PICTURE SAYS-SOME PEOPLE CALL THESE CAB-IN-FRONT LOCOMOTIVES. THEIR PROPER NAME IS ARTICULATED-CONSOLIDATION. SOUTHERN PAICIFIC IS THE ONLY RAILROAD USING THIS TYPE OF LOCOMOTIVE. -THEN IT GIVES THE DATA ON THESE PARTICULAR ENGINES - ENDING WITH - THIS IS REALLY TWO ENGINES COMBINED IN ONE. LARGEST AND MOST POWERFUL ENGINES USED BY SOUTHERN PACIFIC. 17''LX8''H. WOOD AND GLASS FRAME. SOME MINOR WEAR.