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.
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Image Credit:
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Era_date_from:
1993
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Frank Zybach, a tenant farmer and inventor living near Strasburg, Colorado, received a patent for a "Self-Propelled Sprinkling Irrigating Apparatus" on July 22, 1952.
The device used mobile towers to continuously move a pipeline in a circle around a pivot. Water was supplied through the pivot and distributed by sprinklers on the pipeline. Zybach formed a partnership with A.E. Trowbridge, an entrepreneur-businessman, in 1953 to manufacture center pivots in Columbus, Nebraska.
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U.S. Department of Agriculture photo
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The Center Pivot Irrigator transformed agricultural production throughout the world.
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1952
1993
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Frank Zybach, a tenant farmer and inventor living near Strasburg, Colorado, received a patent for a "Self-Propelled Sprinkling Irrigating Apparatus" on July 22, 1952.
The device used mobile towers to continuously move a pipeline in a circle around a pivot. Water was supplied through the pivot and… Read More

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…
Read More