C. Aultman & Co. made Circular sawmills, Steam Traction Engines, Steam Portable Steam Engines and Threshers. They made over 5,800 Steam Traction Engines. Some of the names they used were Star, Mogul, Canton Monitor, Double star and Low-Down.
In 1896 this firm also became involved in selling the Priestman Oil Engine
Information Sources
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Encyclopedia of American Steam Traction Enginesby Jack Norbeck, 1975 page 65
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American Gasoline Engines Since 1872 by C. H. Wendel, Volume #1, 1983 page 39