who invented
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who created the phone?
Alexander Graham Bell
Who created the typewriter?
Christopher Sholes
Who created the telegraph?
David Alter
Who created the cotton gin?
Eli Whitney
Who created the sewing machine?
Elias Howe
who created the railroad break?
George Westinghouse Jr.
who created the radio?
Guglielmo Marconi
Who created the Bessemer Process?
Henry Bessemer
who created the camera?
Joseph Nicephore
Who created the light bulb?
Thomas Edison
who created steam engine
Thomas Newcomen