Horsepower
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Horsepower is a unit of measurement of power, or the rate at which work is done, usually in reference to the output of engines or motors. There are many different standards and types of horsepower. Tw
A team of six horses mowing hay in East Lampeter Township, Pennsylvania, U.S.
James Watt
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James Watt was a Scottish inventor, engineer and chemist who improved on Thomas Newcomen's 1712 Newcomen steam engine with his Watt steam engine in 1776, which was fundamental to the changes brought b
Horsepower
…while the boiler horsepower is 9809.5 or 9811 watts, depending on the exact year. The term was adopted in the late 18th century by Scottish engineer James Watt to compare the output of steam engines with the power of draft horses. It was later expanded to include the output power of other power-generating…
Portrait by Carl Frederik von Breda, 1792
Statue of Watt (Hunterian Museum, Glasgow, by Francis Chantrey)
James Watt by John Partridge, after Sir William Beechey (1806)
Bust of Watt in the Scottish National Portrait Gallery