In the early mass-manufactured automobiles, the typical transmission style and design was handbook: The mix of gears was chosen by the driving force via a lever (the gear adhere) that displaced gears and equipment groups along their axes. Beginning in 1939, cars employing many types of automatic transmission became obtainable https://jaspergmnpp.bcbloggers.com/32908352/not-known-details-about-automobile-gearbox