| Portraits 1. Here is a diesel locomotive portrait by an unidentified photographer that was taken in Chicago, Illinois, on 7 July 1950. Shown here (L to R) are Pennsylvania Railroad engines #9643 and two more "EF" Class units whose road numbers are not recorded. All were built by GM-EMD and rated at 1,500 horsepower each. #9643 is an EF-15A constructed in March of 1950. (#5 of 20) |