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Graham

Graham

George Graham, A Master Watchmaker
Like many Brits before and after him, George Graham was more interested in generating lots of ideas than in making money. He created several inventions but never patented any of them.

For example, he created the first stopwatch. He devised a mercury pendulum system for making clocks more accurate in very hot and very cold weather. He also invented the dead-beat escapement which made clocks more accurate in general and built the master clock for Greenwich Royal Observatory. The escapement he invented is today simply known as the Graham Escapement and still used in high-precision pendulum clocks. It is actually a predecessor to the Swiss anchor movement almost universally used in wristwatches.