Leicavit vs. T-Winder

I'm as much of a Leica fan as anyone but I have to admit, the Japanese reincarnate of Voigtländer seriously one-upped the German Leica gods when they designed their T-Winder. Let's begin at the beginning. Leica introduced a few rapidwinder devices for it's screw mount 35mm rangefinder cameras in the 1930's or 40's.  The exact history...