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- he invented the wireless\1marconi\^\^
- he invented the cotton gin in the early 1790's\1eli whitney\witney\^
- he invented the sewing machine\1elias howe\hoowe\howwe
- he invented the transistor\1william shockley\shokley\shockly
- he invented the steam powered boat\1james watt\whatt\watt
- he invented a production method called the assembly line\1henry ford\ford\^
- he invented the telephone\1alexander grahm bell\bell\^
- he invented the liquid fueled rocket in 1926\1robert goddard\godard\godderd
- he's known as the wizzard of menlo park\1thomas edison\edeson\^
- his most popular invention was the incandescent lamp\1thomas edison\edeson\^
- he was responsible for over 1000 inventions (1868-1931)\1thomas edison\edeson\^
- this italian built the 1st successful radio\1guglielmo marconi\marconey\^
- the 1st revolver (pistol) was invented in 1831 by him\1samuel colt\^\^
- george pullman came up with this type of railway car\3sleeping\pullman\^
- in 1903 these brothers completed the 1st powered flight\2wright\^\^
- he thought up the famous -theory of relativity\1albert einstein\einstien\^
- he made the 1st attempt at steam power in 1680\1isaac newton\^\^
- he started mass production of auto's\1henry ford\^\^
- he also started the public library\1benjamin franklin\franklen\^
- he invented the internal combustion engine\1nicholas otto\atto\auto
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