Steering wheel first button added to the steering wheel was a switch to activate the car's electric horn. Traditionally located on the steering wheel hub or center pad, the horn switch was sometimes placed on the spokes or activated via a decorative horn ring which obviated the necessity to move a hand away from the rim. Electrical connections are made via a slip ring. A further development, the Rim Blow steering wheel, integrated the horn switch into the steering wheel rim. In 1966, Ford offered the Highway Pilot Speed Control Option, with steering wheel pad mounted rocker switches, on its Thunderbird. Uniquely,
The Bicycle Wheel select components, how to build a wheel, and how to repair various forms of damage. Part three, 'Equations and Tests', provides a mathematical analysis of spoked wheels. "The Bicycle Wheel" is considered by many to be the premier resource on building bicycle wheels. Noted bicycle mechanic and technical expert Sheldon Brown called it "the near-definitive text on the theory and practice of building spoked bicycle wheels." The Bicycle Wheel The Bicycle Wheel is a treatise on wheelbuilding by Jobst Brandt. "The Bicycle Wheel" is an educational book that explains the structural theory of a wire wheel, and teaches the practical