Articulated study
Pittsburgh & West Virginia 1102, from the first group of 2-6-6-4s, is in as-built condition at Rook, Pa., in May 1940, with footboards and tender booster. The 132-mile railroad had seven such locomotive. Nos. 1100–1102, built 1934, had boosters on rear tender truck, which were removed in 1944. Harold K. Vollrath collection
