These applied synchronizers to match equipment speeds, enabling for smoother shifts and a lot easier driving. The mid-twentieth century observed the introduction of automatic transmissions.  A manual transmission requires the motive force to manually decide on the gears[6] by working a gear stick and clutch (which is usually a foot https://lorenzoyeecb.blog-a-story.com/14934578/5-easy-facts-about-automobile-gearbox-described