https://www.youtube.com/watch?v=bXUWzGj7Oos
Incredible stuff. Training film for an ancient surface-to-air search radar team.
Featuring:
- a crew member whose sole job it is to read the azimuth off of a scale that's physically on the base of the antenna
- reading the contacts off of an oscilloscope
- telephoning the contacts to a central room be plotted on a physical chart.