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Isaac Merritt Singer was an American inventor, actor, and businessman

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John, 1804–86, U.S. inventor and manufacturer of farm implements

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either of two systems of clicks and pauses, short and long sounds, or flashes of light

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an apparatus, system, or process for transmitting messages or signals to a distant place

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The period where steam power, railroads, canals, roads, and bridges emerged as new forms of transportation

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Sarah George Bagley was a labor leader in New England during the 1840s; an advocate of shorter work days for factory operatives and mechanics, she campaigned to make ten hours of labor per day the maximum in Massachusetts.

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to inflict, deliver, or deal (a blow, stroke, attack, etc.).

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a labor union of craftspeople or workers in related crafts, as distinguished from general workers or a union including all workers in an industry.

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The manufacture of goods in large quantities by machinery and by use of techniques such as the assembly line and division of labor.

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They are made to specifications that ensure that they are so nearly identical that they will fit into any assembly of the same type.

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Eli, 1765–1825, U.S. manufacturer and inventor

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the application of this knowledge for practical ends.

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Samuel, 1768–1835, U.S. industrialist, born in England.

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Sir Richard, 1732–92, English inventor of the spinning jenny.

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any cloth or goods produced by weaving, knitting, or felting.

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the totality of the changes in economic and social organization that began about 1760 in England and later in other countries, characterized chiefly by the replacement of hand tools with power-driven machines,