| Nice original photo of the 1911 Alco built 4-6-2 Pacific for the Pere Marquette. SP class, 77" drivers, 200 psi boiler pressure, 22x28" cylinders, engine weight of 220,000 lb, tractive effort of 29,920 lb. The class lasted until 1948. No location given and only the date "1937" listed. T.W. Cassidy photo |