The adoption of planetary gearsets was a major advance toward the modern automatic transmission. One of several initial transmissions to utilize this style and design was the manual transmission fitted on the 1901–1904 Wilson-Pilcher automobile.[18] This transmission was in-built the United Kingdom and used two epicyclic gears to offer 4 https://sergiopqqnl.blogsmine.com/34104427/gearbox-auto-fundamentals-explained