This youtuber has a great selection of old training films and its well worth looking through what he has. I enjoyed this
[video=youtube;BhlyUP1TpO4]https://www.youtube.com/watch?v=BhlyUP1TpO4[/video]
[video=youtube;BhlyUP1TpO4]https://www.youtube.com/watch?v=BhlyUP1TpO4[/video]