History After the steam engine was invented in the early 17th century, various attempts were made to apply this source of power to self-propelled road vehicles. Early efforts were unsuccessful, except for those that produced interesting toys such as the machine developed about 1680 by the English scientist Sir Isaac Newton, wich was propelled by the back pressure of a jet of steam directed to the rear. The first successful self-propelled road vehicle was a steam …
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showed last 75 words of 392 total
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