| Oil Power. Here is a duplicate 35mm color slide of Pennsylvania Railroad engines #9122 and #9093. Both are ES-12M switchers built by GM-EMD and rated at 1,200 horsepower each. #9122 was constructed as number "8522" in March of 1953 and renumbered "9122" in preparation for the PRR-NYC merger. #9093 was built as number "9372" in July of 1950 and renumbered "9093" in preparation for the merger. The photographer's name, the exact date, and the location are not recorded. |