| Oil Power. Here is a duplicate 35mm color slide by an unidentified photographer that was taken in Erie, Pennsylvania, in July of 1957. Shown here (L to R) are Pennsylvania Railroad engines #9641, #9663, and #9643. All are EF-15A's built by GM-EMD and rated at 1,500 horsepower each. #9641 was built in March of 1950 and retired in July of 1965, #9662 was built in February of 1950 and survived into the Penn Central era, while #9643 was built in March of 1950 and also survived into the PC era. Produced and distributed by the Lake Shore Railway Historical Society, Inc. |