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
A Dictionary of the English Language all words which we use in the English tung...into one dictionary..." In 1598 an Italian–English dictionary by John Florio was published. It was the first English dictionary to use quotations ("illustrations") to give meaning to the word; in none of these dictionaries so far were there any actual definitions of words. This was to change, to a small extent, in schoolmaster Robert Cawdrey's "Table Alphabeticall", published in 1604. Though it contained only 2,449 words, and no word beginning with the letters "W", "X", or "Y", this was the first monolingual English dictionary. Several more dictionaries followed: in Latin, English, French