It had been well known inside the early twentieth century for its ease of use in comparison to completely handbook gearboxes of that time.  Compound Planetary Gearset This automatic transmission uses a set of gears, called a compound planetary gearset, that appears like one planetary gearset but truly behaves like https://fernandocczvt.thenerdsblog.com/39563160/examine-this-report-on-gearbox-auto