History of the bicycle boneshaker, the front wheel enlarging to enable higher speeds (limited by the inside leg measurement of the rider), the rear wheel shrinking and the frame being made lighter. Frenchman Eugène Meyer is now regarded as the father of the high bicycle by the ICHC in place of James Starley. Meyer invented the wire-spoke tension wheel in 1869 and produced a classic high bicycle design until the 1880s. James Starley in Coventry added the tangent spokes and the mounting step to his famous bicycle named "Ariel." He is regarded as the father of the British cycling industry. Ball bearings, solid rubber
Cipher Department of the High Command of the Wehrmacht to find their perceived weaknesses, they never constructed any themselves. The chief German cryptological machine was the Enigma machine. It was invented by the German engineer Arthur Scherbius at the end of World War I, was regarded as antiquated and was considered secure only when used properly, which was generally not the case later in the war. Director Fenner was instrumental in getting them introduced into use. One item alone, the variable-notch rotor () would have made the Enigma secure after 1942. The Siemens and Halske T52-E (German:Geheimschreiber) i.e. the G-Schreiber was considered a secure teleprinter. It was considered modern