Hacienda Azucarera La Esperanza, Steam Engine & Mill, 2.65 Mi. N of PR Rt. 2 Bridge over Manati River, Manati, Manati Municipio, PR
Summary
Significance: The La Esperanza's decorated steam engine is the only West Point Foundry beam engine known to survive. It is also the only known 6-column beam engine by any American manufacturer. Additionally, it is one of only eight beam engines of American manufacture known to exist anywhere. It was designated a National Historic Mechanical Engineering Landmark by the American Society of Mechanical Engineers in 1979.
Unprocessed Field note material exists for this structure: FN-1
Survey number: HAER PR-1-A
Building/structure dates: 1861 Initial Construction
Steam Machines, Engines, Locomotives. In 1781 James Watt patented a steam engine that produced continuous rotary motion. Watt's ten-horsepower engines enabled a wide range of manufacturing machinery to be powered. The engines could be sited anywhere that water and coal or wood fuel could be obtained. By 1883, engines that could provide 10,000 hp had become feasible. The steam engine was one of the most important technologies of the Industrial Revolution.
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