The Huletts were invented in 1898 by George H. Hulett, who was born in Conneaut, Ohio, but grew up in Cleveland. The Huletts were revolutionary at the time, greatly speeding up the process used to unload lake ore carriers. According to the Encyclopedia of Cleveland History: “They could completely unload a ship in 13 hours. Earlier, the same task had taken nearly a week. In their years of service, it is estimated that they unloaded some 100 million tons of material.”
The use of the Huletts spread to other areas around the Great Lakes, with many of them around Lake Erie in the Ports of Cleveland, Conneaut, Ashtabula, Huron, Toledo, and Lorain. The Huletts also played a big part in the development of the iron ore industry – and other related industries – in Ohio. Huletts were not suited for use near ocean waters, due to the rising and falling tides.
The Huletts became increasingly obsolete in the 1980s as the Great Lakes fleets converted to self-unloading ships. Cleveland last used a Hulett in 1992.
Even more here and here.
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