Page 268 - US History

258 Chapter 9 | Industrial Transformation in the North, 1800–1850
Figure 9.10 The First Cotton-Gin, an 1869 drawing by William L. Sheppard, shows the first use of a cotton gin “at the close of the last century.” African American slaves handle the gin while white men conduct business in the background. What do you think the artist was trying to convey with this image? (credit: Library of Congress)
Whitney also worked on machine tools, devices that cut and shaped metal to make standardized, interchangeable parts for other mechanical devices like clocks and guns. Whitney’s machine tools to manufacture parts for muskets enabled guns to be manufactured and repaired by people other than skilled gunsmiths. His creative genius served as a source of inspiration for many other American inventors.
Another influential new technology of the early 1800s was the steamship engine, invented by Robert Fulton in 1807. Fulton’s first steamship, the Clermont, used paddle wheels to travel the 150 miles from New York City to Albany in a record time of only thirty-two hours (Figure 9.11). Soon, a fleet of steamboats was traversing the Hudson River and New York Harbor, later expanding to travel every major American river including the mighty Mississippi. By the 1830s there were over one thousand of these vessels, radically changing water transportation by ending its dependence on the wind. Steamboats could travel faster and more cheaply than sailing vessels or keelboats, which floated downriver and had to be poled or towed upriver on the return voyage. Steamboats also arrived with much greater dependability. The steamboat facilitated the rapid economic development of the massive Mississippi River Valley and the settlement of the West.
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