Penny-farthing the trend was short-lived, the penny-farthing became a symbol of the late Victorian era. Its popularity also coincided with the birth of cycling as a sport. Eugène Meyer of Paris, France is now regarded as the father of the high bicycle by the International Cycling History Conference in place of James Starley. Meyer patented a wire-spoke tension wheel with individually adjustable spokes in 1869. They were called "spider" wheels in Britain when introduced there. Meyer produced a classic high bicycle design during the 1880s. James Starley in Coventry added the tangent spokes and the mounting step to his famous bicycle
Cipher Department of the High Command of the Wehrmacht such as the rotor cipher machine ENIGMA machine. It was the successor to the former Chi bureau () of the Reichswehr Ministry. The letter "Chi" for the Chiffrierabteilung is, contrary to what one might expect, not the Greek letter Chi, nor anything to do with the chi test, a common cryptographic test used as part of deciphering of enciphered message, and invented by Solomon Kullback, but only to the first three letters of the word Chiffrierabteilung (English:cipher department). From the early 1930s to the start of the war, Germany (Weimar Republic), has a good understanding, and indeed a lead in