langs: 15 декабря [ru] / december 15 [en] / 15. dezember [de] / 15 décembre [fr] / 15 dicembre [it] / 15 de diciembre [es]

days: december 12 / december 13 / december 14 / december 15 / december 16 / december 17 / december 18

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Design / Design

#1 Louis Rustin

Louis Désiré Auguste Rustin (1880-1954) was a French cyclist and repairer of tyres in Paris who invented the puncture patch . [1] [2] Car and bicycle tyres had until then been complicated to mend after the inner tube , which held the air, had been penetrated through the outer tyre by a flint or othe

• ... s ideas from 1908 with his colleague, Jean Larroque, registering a first patent, number 397 424, on december 15, 1908. [2] Research ended with the start of World War I in 1914. [4] Rustin fought in the army, then ...

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Motorcycle / Motorcycle

#1 Triumph Bonneville 790

The Triumph Bonneville 790 cc is a British motorcycle that was designed and built in Hinckley , Leicestershire by Triumph Motorcycles Ltd between 2001 and 2007, when the engine size was increased to 865   cc. [1] British motorcycle Type of motorcycle Triumph Bonneville 790 cc Manufacturer Triumph Mo

• ... s and marketing as well as engineering departments. [1] The first 'Bonneville' engine was tested on 15 december 1998. The prototype engines were run for extended periods of time before committing to tooling prod ...