THE TWENTY-SEVENTH ANNUAL CENTRAL STATES THRESHERMEN'S REUNION

Held August 28, 29, 30 and 31 and September 1, 1975 At Pontiac, Illinois

18 HP engine
Clarence Koopman operated this 18 HP, 1908, Undermount Avery in the parade at Pontiac, Illinois in 1975. This fine engine is owned by Arlen Koopman. Engineer Clarence and Arlen both live at Flanagan, Illinois.