Theinventors.org

Seventeenth Century Inventions 1600 to 1699

WEBThe earliest human-powered submarine invented. 1624. William Oughtred invents a slide ruler. 1625. Frenchmen, Jean-Baptiste Denys invents a method for blood transfusion. 1629. Giovanni Branca invents a steam turbine. 1636. W. Gascoigne invents the micrometer.

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URL: http://www.theinventors.org/library/inventors/bl1600s.htm

Emmett Chappelle

WEBInventors Emmett W. Chappelle. Chappelle is the recipient of 14 U.S. patents and was recently recognized as one of the 100 most distinguished African American scientists and engineers of the 20th Century. He started with NASA in 1966 in support of NASA's manned space flight initiatives. He pioneered the development of the ingredients ubiquitous

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18th Eighteenth Century Inventions 1700 to 1799

WEBThe United States issued its first patent to William Pollard of Philadelphia for a machine that roves and spins cotton. 1791. John Barber invents the gas turbine. Early bicycles invented in Scotland. 1792. William Murdoch invents gas lighting. The first ambulance. 1794. Eli Whitney patents the cotton gin.

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The History of Coca Cola

WEBJohn Pemberton was the inventor of Coca Cola. In May, 1886, Coca Cola was invented by Doctor John Pemberton a pharmacist from Atlanta, Georgia. John Pemberton concocted the Coca Cola formula in a three legged brass kettle in his backyard. The name was a suggestion given by John Pemberton's bookkeeper Frank Robinson.

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History of Wrenches

WEBBy Mary Bellis. A wrench is a tool - the English call it a spanner - that is usually operated by hand, and is made for tightening or loosening bolts, nuts or anything that needs to turn. Solymon Merrick patented the first wrench in 1835. The physics of a wrench are that the tool works as lever. There are notches at the mouth for gripping.

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Semi Joseph Begun

WEBA pioneer in the early history of magnetic tape recording, Semi Joseph Begun's advancements in the magnetic tape field eventually provided the 3M company with a billion dollar industry.

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