These two training videos from the Bell Labs Computing Centre are a very interesting insight into what it was like. Part 1 https://www.youtube.com/watch?v=HMYi

These two training videos from the Bell Labs Computing Centre are a very interesting insight into what it was like. Part 1 https://www.youtube.com/watch?v=HMYiktO0D64 https://www.youtube.com/watch?v=HMYiktO0D64 Part 2 https://www.youtube.com/watch?v=V9aVOIuKVUc https://www.youtube.com/watch?v=V9aVOIuKVUc