THIS IS THE KEYSTONE, VOL 45 NO 3, AUTUMN 2012. THIS IS PRODUCED BY THE PENNSYLVANIA RAILROAD TECHNICAL AND HISTORY SOCIETY. (PRRT&HS). IT WOULD BE A GREAT REFERENCE OF THE HISTORY OF THE PENNSYLVANIA RAILROAD. WELCOME ABOARD, IN THIS ISSUE, FRONT COVER: S2 #6200 AT DENHOLM, PENNSYLVANIA, LOOKING WESTWARD, ON ITS MAIDEN LIGHT RUN TO HARRISBURG. THE ENGINMANN IS U. ...M. STOVER AND THE FIREMAN IS JOHN W. HAGERTY. KEYSTONE NEWS, SEPTA SENDING FORMER PRR SILVERLNERS TO SCRAP. BUILY BY THE BUDD COMPAMY - 12 PHOTOS AND A CLASSIFICATION CHART OF PRR STAINLESS STEEL MU CARS, / NS DAYS - PARADE AT RAILROAD MUSEUM OF PENNSYLVANIA IN STRASBURG DURING NORFOLK SOUTHERN DAYS, 19 PHOTOS, / EX-PRR GS4m BEING RESTORED FOR MARYLAND DINNER TRAIN, 3 PHOTOS, / THE LITTLE ENGINE THAT COULDN'T, PRR's GS4 - THE GENERAL ELECTRIC 44 TONNER, 10 PHOTOS, / ZOO TO PAOLI ELECTRICAL TRANSMISSION WIRING CHANGES PLANNED, REPLACEMENT OF ELECTRICAL WIRES AND OTHER ITEMS, 2 PHOTOS AND A CARTOON, / MOYNHAN STATION CONTRACT AWARDED, 2 PHOTOS, / USS MISSOUIRI 16 INCH CANNON ON TRACK TO FORT MILES, TRAIN BRINGS CANNON TO LEWES, 12 PHOTOS, / STEAM OPERTIONS CORPORATION, A COMPANY CAPABLE OF REBUILDING AND REPAIRING STEAM LOCOMOTIVES IN BIRMINGHAM, ALABAMA, 9 PHOTOS, / DELAED RESTORATION OF TWO PRR CARS BEGINS AT DENNISON, OHIO DEPOT, 2 PHOTOS, / NEEDED REPLACEMENT OF 108 YEAR OLD BRIDGE CREATES PROBLEMS IN PITTSBURGH, 15 PHOTOS, / LETTERS.THE TRIALS AND TRIBULATIONS OF #6200.22 PHOTOS, 19 PAGES.CENTERFOLD, COMMAND PERFORMANCE, WATERCOLOR BY PETER LERRO. 31'' X 15''. SEE PHOTO 7.TEST RUN OF S2 #6200. ON MARCH 30, 1945 A S2 LOCOMOTIVE, THE ONLY ONE BUILT BY THE PRR, AN EXPERIMENTAL STEAM TURBINE TYPE RAN A TEST RUN AS TRAIN DESIGNATED AS PX WEST NO. 6200 WITH 16 PASSENGER CARS USED IN REGULAR SERVCE BWTWEEN CHICAGO AND NEW YORK. THIS ENGINE WAS USED IN REGULAR SERVICE FROM 1945 UNTIL IT WAS TAKEN OUT OF SERVICE IN THE EARLY 1950's. THE ENGINE DID NOT PROVE OUTSTANDINGLY EFFICIENT, PARTLY OWNING TO BAD WATER FOR THE TURBINES, OVER THE TERRITORY ON WHICH IT WAS REGULARLY IN SERVICE. 10 PAGES, 8 PHOTOS.PRR BS7 SWITCHERS. WITH THE SALES OF ITS DS-4-4-660 VARY POOR EXCEPT FOR PRR ORDERS, BALDWIN DECEIDED TO UPGRADE THE MODEL TO 750 HP. ITS NORMALY ASPIRATED UNIT HAD CHANGED TO A TREE STACK ARRANGEMENT IN MARCH 1948. A NEW COMBINATION FRAME OFFERED A CAST CENTER SECTION WITH FABRICATED STEPS AND PILOTS FOR THE RAILROADS THAT PURCHASED BALDWIN YARD POWER. NINE PHOTOS AND A ROSTER OF CLASS BS7 SWITCHERS.PPRT&HS CONTACTS, SERVICES AND PRODUCTS. SOCIETY SERVICES AND END MARKERS. 75 PAGES.HIGH BID PAYS $3.65 MEDIA MAIL. THANKS FOR YOUR TIME. PAYPAL LOWER 48 U.S.A. ONLY.ROCK ON PENNSYLVANIA RAILROAD.SORRY FOR THE CAPS, POOR EYESIGHT.