Derailleur gears designed and built in the late 19th century. One example is the Protean two-speed derailleur available on the Whippet safety bicycle. The French bicycle tourist, writer and cycling promoter Paul de Vivie (1853–1930), who wrote under the name "Vélocio", invented a two speed rear derailleur in 1905 which he used on forays into the Alps. Some early designs used rods to move the chain onto various gears. 1928 saw the introduction of the "Super Champion Gear" (or "Osgear") from the company founded by champion cyclist Oscar Egg, as well as the Vittoria Margherita; both employed chainstay mounted 'paddles' and single
Old English subjunctive Old English subjunctive The subjunctive mood is a flexible grammatical instrument for expressing different gradients in thought when referring to events that are not stated as fact. It is still used frequently in such languages as French, German and Spanish, and also in languages outside the Indo-European branch such as Turkish and Hungarian. In modern English only remnants of a once complex system of separate conjugations exist. What once could be expressed succinctly with the mere change of a conjugation is now only expressible, more often than not, by using word-laden modal constructions. The word subjunctive as used to denote