Wallin. Here is a duplicate 35mm color slide of a photo by Richard R. Wallin. Shown here (L to R) are Pennsylvania Railroad engines #2004 and three more "Sharks" whose numbers are not recorded. All four engines in this A-B-B-A lash-up were built by the Baldwin Locomotive Works. #2004 is a BF-16 built in July of 1951, rated at 1,600 horsepower, and retired in July of 1966 after just 15 years of revenue service. The exact date and the location are not recorded. |