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
On the Origin of the "Influencing Machine" in Schizophrenia On the Origin of the "Influencing Machine" in Schizophrenia "On the Origin of the 'Influencing Machine' in Schizophrenia" is an article written by psychoanalyst Viktor Tausk. It was first published in 1919 in the journal "Internationale Zeitschrift für Psychoanalyse" and then, after translation into English by Dorian Feigenbaum, in the "Psychoanalytic Quarterly" in 1933. The paper describes Tausk's observations and psychoanalytic interpretation of paranoid delusion that occurs in patients diagnosed with schizophrenia. The delusion often involves their being influenced by a "diabolical machine", just outside the technical understanding of the victim, that influences them from afar. It is typically believed