Traction engine — A traction engine is a self propelled steam engine used to move heavy loads on roads, plough ground or to provide power at a chosen location. The name derives from the Latin tractus , meaning drawn , since the prime function of any traction… … Wikipedia
Rough and Tumble Engineers Historical Association — 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… … Wikipedia
Gunderson Do-All Machine — The Gunderson Do All Machine is a colorful, interconnected network of dozens of machines that have been cross sectioned to reveal their internal operating mechanisms. This artistic feat of engineering was designed by Mark Gunderson to serve as a… … Wikipedia