Film crew and camera stand on flatcar in front of Northern Pacific Class W Mikado-type steam locomotive number 1621 at Lester, Washington, circa 1925. J.M. Fredrickson Collection. Other Subject Classes: people, steam locomotive

Builder photo of Construction Number 1336 showing right side of 24 inch gauge Ferrocarril de Laguna Corporation 22 Ton Two Truck Heisler Geared Steam Locomotive Number 10 at Erie, Pennsylvania, June 1916. This railroad was controlled by The Laguna Corporation and the locomotive was used for logging near Campeche, Mexico. Only 24 inch gauge Heisler built. Photograph by Schauble.

Builder photo of Construction Number 1336 showing front of 24 inch gauge Ferrocarril de Laguna Corporation 22 Ton Two Truck Heisler Geared Steam Locomotive Number 10 at Erie, Pennsylvania, June 1916. This railroad was controlled by The Laguna Corporation and the locomotive was used for logging near Campeche, Mexico. Only 24 inch gauge Heisler built and is equipped with outside frame trucks. Photograph by Schauble.

Feather River Railway steam locomotive number 2 derelict at Oroville, California, on June 23, 1974. Feather River Railway number 2, a three-truck, 103-ton, standard-gauge geared Shay locomotive was built by Lima in 1922. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Feather River Railway steam locomotive number 2 derelict at Oroville, California, on June 23, 1974. Feather River Railway number 2, a three-truck, 103-ton, standard-gauge geared Shay locomotive was built by Lima in 1922. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Feather River Railway steam locomotive number 2 derelict at Oroville, California, on June 23, 1974. Feather River Railway number 2, a three-truck, 103-ton, standard-gauge geared Shay locomotive was built by Lima in 1922. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, geared locomotive .

Builder photo of Construction Number 1236 showing right side of F.B. Merrill Company 36 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, September 1911. While the builders date is noted as September the photograph shows snow on the ground. This locomotive was used for logging near Merrill, Mississippi. Photograph by Schauble.

Builder photo of Construction Number 1333 showing right side of Fathauer and Hopkins 32 Ton Two Truck Heisler Geared Steam Locomotive Number 2 at Erie, Pennsylvania, April 1916. Information on where this locomotive operated has not been found but it probably was involved in logging in Arkansas. Photograph by Schauble.

Builder photo of right side of Construction Number 1484 showing Falling Rock Cannel Coal Company 24 Ton, Two Truck Heisler Geared Steam Locomotive Number 36 at Erie, Pennsylvania, June 1923. This locomotive was used for coal mining near Falling Rock, West Virginia. Photograph by Schauble.

The first Heisler geared locomotive built was a 15 ton, two truck model built for the F.A. Addington Lumber Company as Number 1. This was a 36 inch gauge locomotive and is seen here at Little Washington, North Carolina in July 1891. This was the only Heisler built by Dunkirk Engineering and was constructed in July 1891.