Ran across this 1937 instructional film about the concepts behind the development of the rear end differential for cars. Very nice explanation. There's a couple of minutes of motorcycle stunt driving at the front as a way of introducing the issues associated with going through turns.
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<iframe width="420" height="315" src="https://www.youtube.com/embed/yYAw79386WI" frameborder="0" allowfullscreen></iframe>