|Here is a photo taken by Mr. Clarence R.Weaver. It was published originally in the December 1956 issue of "Trains" magazine, page 8. Photo Caption: "To entertain a recent model railroader convention in Baltimore, Md., the Pennsy de-mothballed the old-timers it keeps at Northumberland, Pa., and sent them down behind a Geep. From the GP-7 back, the train includes 2-8-0 No. 1187, 4-4-0 No. 1223, 4-4-2 No. 7002, the John Bull (on flats), and open-ended coaches." #8548 is an ES-15M road switcher built by GM-EMD in September of 1953 and rated at 1,500 horsepower.