One of the manual transmissions will be the Wilson pre-selector, released in 1930 employed like a planetary gear system to preselect equipment ratios by operating a little lever around the steering area.  Automatic gearboxes tend to be more convenient and much easier to use than guide transmissions but are more https://gearboxauto46891.sharebyblog.com/33632093/the-basic-principles-of-gearbox-auto