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By 1793, Samuel Slater in Pawtucket, built the first successful textile mill in Pawtucket, Rhode Island. Also the first mill in the United States that was powered by water.

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Identical parts would fit together with all other parts, and gunsmiths would not have build each gun from scratch. Interchangeable parts would save time and money.

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The Lowell Girls, as they came to be called, usually worked for a few years in the mills before returning home to marry. These young women, showed hard labor and women can do stuff men can do

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During the early 1800's everyone emerged around factories. Lowell combined spinning and weaving. The new mill they created was brought to a new thinking, turning raw cotton into finished cloth.

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Slater and Whitney were partners. Whitney came up with interchangeable parts, he found a way to make stuff faster after something was breaking down. Slater made the first mill in America. Sadly Slater died his partner made an entire factory town and named it after him

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Earlier plows made of iron or wood were pulled by oxen or horses. It was too slow so they made it steel so it would go by faster.

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In 1844 the telegraph was a device that sent electrical signals along a wire. It was a new technology that was made possible by scientific discoveries about electricity. The code was used with dots, dashes and space

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The sewing machine was made by Elias Howe. A couple years later Isaac Singer made it better. Soon it was the hottest thing out, hundreds of clothing makers bought them.

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It was invented to plant grain. The mechanical reaper, drill, and the threshing machine was made to make life easier for farmers. It helped raise more grain with less workers. After this unneeded farmers left to go west or found jobs in factories.

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Older cities were expanding rapidly, while new cities were built around factories. By 1850 the number had risen 15%. Due to the overpopulation and industrial expansion it has caused air pollution.