The History of Horsepower

How Horsepower was Created

James Watt's New Invention

It was the late 1800s, and engineer James Watt did not know what to do. He did not know how to make steam engines work better for the economy. Then one day he thought he should compare the power of the steam engine with the power of a horse. The horse could do the amount of work 1.5 ponies could do. Today it is known as horsepower