An early patent for that automatic transmission was granted to Canadian inventor Alfred Horner Munro of Regina in 1923.[twenty] Getting a steam engineer, Munro made his product to use compressed air as an alternative to hydraulic fluid, and so it lacked ability and in no way observed industrial software.[21] https://gearboxauto19630.full-design.com/detailed-notes-on-gearbox-kereta-auto-74892628