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Machine using steam power to perform mechanical work through the agency of heat. Steam engines are external combustion engines, where the working fluid is separated from the combustion products.
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Eli Whitney creates a machine, that separates cotton seeds from cotton fiber. Allowing for much greater productivity than manual cotton separation. Helps states make more money, because it's not so time consuming anymore.
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Louis Pasteur develops Vaccines for diseases. He was a French chemist. His first discovery in the study of vaccination came in 1879, and concerned a disease called chicken cholera. He inoculated chickens with the attenuated form, and demonstrated that the chickens were resistant to the fully virulent strain.
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The Brooklyn Bridge, linking Brooklyn with Manhattan, was opened to traffic with a celebration attended by President Chester A. Arthur, Gov. Grover Cleveland of New York, and Emily Roe-bling, the wife of the bridge's main engineer, Washington Roe-bling. It connects the boroughs of Manhattan and Brooklyn, spanning the East River.
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The Model T, also known as the “Tin Lizzie,” changed the way Americans live, work and travel. the first car to be affordable for a majority of Americans. Henry Ford made the first inexpensive automobile by producing his Model .
