[2] It was later donated to the Oklahoma Steam Thresher Association, disassembled, and restored in its own building on the Pawnee County Fairgrounds.

[6] The Corliss engine now displayed in Pawnee was part of an Allis-Chalmers steam electric generating plant.

[2] This engine uses separate valves for the steam and the exhaust to allow natural drainage.

It also has a Reynolds trip gear, which uses a spring to cause the engagement of the hook with the catch plate.

[2] At the time of the NRHP application, the system was assessed in good operating condition.