| Here is page five of a 78-page booklet published by Harry P. Albrecht entitled "Those Amazing Class 'D' Locomotives." It was issued originally in June of 1981. Shown here is Pennsylvania Railroad engine #138, a D-2A (4-4-0) "American" built in the Altoona Machine Shops during May of 1881 and retired in July of 1896 after just 15 years of revenue service. |