Rough and Tumble Engineers Historical Association

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The Rough and Tumble Engineers Historical Association puts on the second- or third-oldest Threshermen’s Reunion in the United States. It is held in the middle of August each year, from Wednesday through Saturday, in Kinzers, Pennsylvania, about eight miles east of the city of Lancaster. The association’s name is taken from the 1890s book Rough and Tumble Engineering: Book of Instructions for Operators of Farm and Traction Engines by James H. Maggard.