| WB. Here is an image of an official photo that was taken in Altoona, Pennsylvania, on 8 February 1939. Shown here is Pennsylvania Railroad engine #6100, the S-1 (6-4-4-6) "Big Engine" built in Juniata during January of 1939 and retired in January of 1949 after just ten years of experimental service. William E. Burket Collection. |