| Here is a postal card entitled "Pennsylvania 6733." No Postmark. Caption On Reverse: "Class M1a Mountain has freight in tow as it works the line near Enola, Pa., August 25, 1956. One hundred Mountains were built in 1930, the 6733 coming from Baldwin. Photo: Mac Owen Collection." Prominent here is Pennsylvania Railroad engine #6733, an M-1B (4-8-2) "Mountain" built by the Baldwin Locomotive Works as an M-1A during May of 1930, rebuilt in Juniata as an M-1B in May of 1944, and retired in September of 1959 after 29 years of faithful service. |