| Oil Power. Here is a duplicate 35mm color slide by an unidentified photographer that was taken near Dauphin, Pennsylvania, on 9 August 1964. Shown here (R to L) are Pennsylvania Railroad engine #9792 and an "EF" Class B-unit whose road number is not recorded. Both were built by GM-EMD and rated at 1,500 horsepower each. #9792 is an EF-15 constructed in March of 1951 and retired in February of 1967 after just 16 years of revenue service. Houser Collection. |