Date | Text | |
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05 Feb 1840
John Boyd Dunlop |
birth John Boyd Dunlop Born 5 Feb 1840; died 23 Oct 1921 at age 81. Scottish inventor who was a pioneer of the pneumatic tyre. In 1887, when his 9-yr-old son complained of the rough ride he experienced on his tricycle over the cobbled streets of Belfast. Dunlop devised and fitted rubber air tubes held on to a wooden ring by tacking a linen covering fixed around the wheels. Due to the major improvement in riding comfort, Dunlop continued development, until he patented the idea, issued on 7 Dec 1889 (No. 10607) as "An improvement in Tyres of Wheels for Bicycles, Tricycles or other Road Cars". |
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05 Feb 1840
Sir Hiram Maxim |
birth Sir Hiram Maxim Born 5 Feb 1840; died 24 Nov 1916 at age 76. Hiram Stevens Maxim was an American-English inventor whose best known innovation is the Maxim machine gun. His first patent was for a hair-curling iron (1866), followed by a device for generating illuminating gas and a locomotive headlight. In 1878, he was hired as chief engineer of the United States Electric Lighting Company, the first such company in the United States. In that post he produced a basic invention, a method of manufacturing carbon filaments. In 1881 he exhibited an electric pressure regulator at the Paris Exposition. Among his hundreds of other patents in the U.S. and Great Britain are a mousetrap, an automatic sprinkling system, an automatic steam-powered water pump, vacuum pumps, engine governors, and gas motors. |