Incredible how disorganised the pits stops were
When you watch F1 these days you'll see a pit stop where they change all 4 tyres and sometimes more in under 5 seconds. In this film the mechanics during the pit stops seem to spend at least twice that time just staring at the car deciding what to do!
I thought this was probably artistic licence on the part of the film makers to slow things down and add some drama, but then I looked on Youtube and it really was that chaotic! Here's Hunt's from that deciding race in 1976:
https://www.youtube.com/watch?v=7TobGUKJLJo