Gears for other utilizes are even more mature than automobiles, and remains of historical gears have been found out dating back again to 4th century China. The whole world’s oldest working clock has actually been working with gears to inform enough time in Salisbury Cathedral due to the fact 1386.  https://automobile-gearbox10852.ampblogs.com/automobile-gearbox-things-to-know-before-you-buy-70831146