WORLD HISTORY

Detailed explanation-1: -The Steam Engine This invention allowed factories and mills to be built.

Detailed explanation-2: -The Newcomen was, however, expensive to operate. The engine consumed huge amounts of coal and was, therefore, not used outside of the mines that produced its fuel. It was James Watt who came up with a solution to the flaw in Newcomen’s design, which required continuous reheating and cooling.

Detailed explanation-3: -The steam engine turned the wheels of mechanized factory production. Its emergence freed manufacturers from the need to locate their factories on or near sources of water power. Large enterprises began to concentrate in rapidly growing industrial cities.