Vintage Triumph Motorcycles
The first Triumph motorcycle was built in 1902, essentially a bicycle fitted with a two-horsepower engine. But Triumph's big innovation came in 1910, when it introduced the first practical motorcycle clutch. Sales soared, and the British military bought over 30,000 Triumph bikes during World War I. 1923 saw another revolutionary change, the Triumph 'Model LS,' with an oil pump in the engine, rather than a hand pump. The 'Model P' was...