| description: | Threshing With A Horse (Sweep) Power In Manitoba. 12 Horses, Tumbling Rod Drive (Direct- Connected) To The Cylinder Using A Bevel Gear At The Cylinder Ind To Step Up The Speed. The Power Unit Utilizing A Large Bull (Ring) Gear And Pinions Which In Turn Carried Bevel Gears About 30" Diameter And Which Engaged Pinions On The Final "Output" Shaft. The Arms To Which The Horses Were Hitched Were Attached To Bull Gear, The Teams Going Round In A Circle. Photo Courtesy W.J. Lindal |