Radar

Military Radar technology in the mid 20th century.

Full video source for footage used:
Radar and Its Applications
by National Archives

Publication date 1962
Usage CC0 1.0 Universal
https://archive.org/details/gov.archives.arc.892095

Music used:
"Shine" by Onycs
Attribution 3.0 Unported (CC BY 3.0)
Credit:
"Shine" by Onycs ... on soundcloud ... https://soundcloud.com/onycsmusic/shine
Onycs, France... on soundcloud ... https://soundcloud.com/onycsmusic
https://soundcloud.com/onycsmusic/shine