These employed synchronizers to match equipment speeds, enabling for smoother shifts and less difficult driving. The mid-twentieth century observed the introduction of automatic transmissions.  Manual transmissions involve Energetic gear shifting get the job done by the driver using the clutch and gearstick Based on driving circumstances.  In the handbook transmission-Outfitted https://connerrrpkf.webbuzzfeed.com/34641382/the-automobile-gearbox-diaries