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In 1802, Humphry Davy invented the first electric light.
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At first this railroad was located entirely in the state of Maryland with an original line from the port of Baltimore west to Sandy Hook.
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The typewriter was inspired by Christopher Sholes.
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The telephone was invented by Alexander Graham Bell.
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The key principle is removal of impurities from the iron by oxidation with air being blown through the molten iron.
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It was the first oil rush in the United States.
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It was signed into law by Lincoln
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Seventy-seven delegates attended the convention, and during its brief existence the National Labor Union may have had as many as 500,000 members.
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Airbreaks was first used for trains but is now used for automobiles
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Transcontinental railroads helped open up unpopulated interior regions of continents to exploration and settlement that would not otherwise have been feasible.
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While working on improvements to the telegraph and the telephone, Edison figured out a way to record sound on tinfoil-coated cylinders
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It was established by John D. Rockerfella in Ohio.
