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Whitney intorduced the idea of interchangeable parts, identical components that can be used in place of another in manufactoring and he also invented the cotten gin.
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Volta an Intalian physicist used his knowledged of electricity to build one of the first electric batteries
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He built the first internal conbustion engine fueled by gasoline that he used to to create the first automobile
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Bell invented the first telephone
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Among his inventions were the incandescent light, storage battery, mimeograph machine, and ore seporator.
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Intalian inventor that created the radio
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Oriville and his brother Wilbur in 1900 invented the first flying aircraft
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Henry Ford introduced the assembly line to his car factories and then created mass production turning out large quantities of identical goods.