Northern Pacific steam locomotive 1505 at South Tacoma, Washington, on May 09, 1937. Number 1505 is a class W built by Alco-Brooks in 1904. Photo by Emery Roberts, J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1505 switches cars at Seattle, Washington, circa 1925. The Class W Mikado was used as a helper on Stampede Pass and later on the Auburn-to-Seattle transfer in the mid-1920s. Photo by J.A. Turner. Other Subject Classes: steam locomotive, railroad crew

Northern Pacific steam locomotive 1505 is parked at Seattle, Washington, circa 1925. The Class W Mikado was used as a helper on Stampede Pass and later on the Auburn-to-Seattle transfer in the mid-1920s. Photo by J.A. Turner. Other Subject Classes: steam locomotive, in a freight yard

Northern Pacific steam locomotive 1505 await a signal to go at Auburn, Washington, circa 1925. The Class W Mikado was used as a helper on Stampede Pass and later on the Auburn-to-Seattle transfer in the mid-1920s. Photo by J.A. Turner. Other Subject Classes: steam locomotive, railroad crew

Northern Pacific steam locomotive 1502, circa 1905. Number 1502 is a class W built by Alco-Brooks in 1904 J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1502 at White Pine, Montana, in 1909. Number 1502 is a class W built by Alco-Brooks in 1904 J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1502 at White Pine, Montana, in 1909. Number 1502 is a class W built by Alco-Brooks in 1904 J.M. Fredrickson collection. Other Subject Classes: steam locomotive in roster photo

Northern Pacific steam locomotive 1501 at Tacoma, Washington, on June 04, 1935. Number 1501, a class W built by Alco-Brooks in 1904, is parked at the roundhouse. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 1501 at South Tacoma, Washington, on April 14, 1954. Number 1501 is a class W built by Alco-Brooks in 1904. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive in roster photo

Northern Pacific 1501 with a freight train at South Tacoma, Washington, circa 1935. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, switcher locomotive, freight yard.