United States or Costa Rica ? Vote for the TOP Country of the Week !
Watt, though greatly irritated, was not discouraged. His engines were not, in the first place, like Newcomen's, mere pumps, mere draining-pumps. In a few years he transformed them into universal motive powers, and of indefinite force. His first step in this line was the invention of a double-acting engine (
The construction of draining-pumps of very large dimensions was soon undertaken there, and repeated experiments showed that, with equal effect, they saved three-quarters of the fuel that was consumed by Newcomen's previous engines. From that moment the new pumps were spread through all the mining counties, especially in Cornwall.
Word Of The Day