London double decker bus stability test film from 1957. 2:38 video.
https://www.youtube.com/watch?v=42f3Cn6XlSk
Previously:
https://www.homemadetools.net/forum/...817#post171165
https://www.homemadetools.net/forum/...388#post161900
https://www.homemadetools.net/forum/...460#post177685
https://www.homemadetools.net/forum/...166#post134584
https://www.homemadetools.net/forum/...140#post130313
https://www.homemadetools.net/forum/...224#post126496
