| Here is page eight 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 #636, a D-4 (4-4-0) "American" built in the Altoona Machine Shops during November of 1875 and retired in May of 1901 after 26 years of faithful service. |