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Oversupply of labor in relation the the umber of jobs available.

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The channel for the fast-moving stream of water that drives the mill wheel.

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A person who designs, builds, or repairs mills or mill machinery.

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Manufacturing system through which machine-made components were distributed to individual families who used them to craft finished goods. Samuel Slater relied heavily on this system.

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Lowell's Boston Manufacturing company invented the typewriter which allowed white collard jobs. Young people usually had white collard jobs.

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Most factory workers were likely to lose fingers or even whole arms while working on the machines.

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Immigrants were willing to work for lower pay and occupied less of the factory jobs.

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After years of experimentation, in 1821 an engineer named John H. Hall brought together the necessary skill, financing, and tools at the Harper's Ferry federal armory to prove that manufacturing using interchangeable parts was practical.

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In 1838, he introduced the first mass produced brass clock. This was a big deal because every type of worker needed to know what time it was in the workplace.

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Many machines were powered by a common drive shaft and so remained in motion all the time. Working around the constantly whirring equipment often led to injury or death for what one nineteenth-century magazine described as "the human portion of the machine."

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Women worked on the production line while men ran heavy machinery and worked as millwrights, carpenters, haulers, or as day laborers dredging out the millraces.