On the list of manual transmissions is the Wilson pre-selector, introduced in 1930 utilized for a planetary equipment technique to preselect gear ratios by working a small lever over the steering portion.  Automatic gearboxes are more convenient and easier to use than manual transmissions but tend to be more sophisticated https://emilianozyvss.humor-blog.com/32748254/gearbox-auto-things-to-know-before-you-buy