Gears for other uses are even older than automobiles, and stays of historical gears are discovered courting back to 4th century China. The world’s oldest Doing the job clock has become utilizing gears to inform enough time in Salisbury Cathedral considering the fact that 1386.  Most transmissions in present day https://juliusvxtpj.blognody.com/35991415/detailed-notes-on-automobile-gearbox