Luebben Hay Baler - Historic Landmark of Agricultural Engineering. In 1892, Hugh Luebben from Sutton, Nebraska, with sons Melchior and Ummo built a mobile machine to produce round hay bales between two sets of rotating flat belts. They began manufacturing the baler in 1909 in Beatrice and later moved to Omaha, Nebraska. Allis-Chalmers purchased the patent in 1939 and eventually sold 77,200 "Roto-Balers." The Luebben baler made handling easier, improved hay quality, and reduced costs. The same basic design is used on modern large round balers.
In 1892, John H. Froehlich, Froehlich, IA, Mounted A Gasoline Fueled Internal Combustion Engine On A Traction Geared Frame And Used It To Power A Threshing Machine. A Change In Power Source Had Begun On North American Farms. In 1892, The Case Co., Racine, Wi, Built An Experimental Gas Traction Engine. In 1898 A Patent Was Issued To The Van Duzen Co. Cincinnati, OH, For A Gasoline Traction Engine. Huber Mnfg., Marion, Oh, Bought This Patent In 1898 And Produced 30 Prototype Units. In 1902, Hart-Parr, Founded By Charles W. Hart And Charles H.
Charles C. Fenno Of Grinnell, Ia, Patented The First Field Corn Silage Harvester On April 19, 1892. His Ground-Powered Machine Cut The Corn Plant And Fed The Tassel End First To A Rotary Cutter. Joseph Weigel Of Flandreau, Sd, Improved Fenno's Harvester In 1912 By Adding An Engine To Power The Cutter And By Feeding The Stalks Butt End First. Andrean And Adolph Ronning, Farmers Of Boyd, Mn Patented Further Improvements In 1915. In 1918 The American Harvester Co. Of Minneapolis, Mn, Began Manufacturing The Horse-Drawn Ronning Harvester Using Weigel's Patent Too.
The Memphis Bridge (now called the Frisco Bridge) comprises three spans across the Mississippi River. With a main span measuring over 790 feet, it was one of the longest railroad bridges in the world upon completion. The renowned George Morison, after whom the bridge is unofficially named, served as Chief Engineer.