Rare footage filmed by Frank Whittle's friend in color. It is a short story about Power Jets, but it also contains a lot of interesting footage, some never published before, including some footage of early testing of the Miles M.52. The video includes never published before bits of Frank...
I looked farther into the Gloster VTOL project in my last thread and found there were a few more.
Enjoy
Gloster Aircraft Company experimental VTOL designs 1958-1961 - Album on Imgur
My thoughts on it:
The 1958 entry is really an outlier
497, 504, 505, and 507 are all fighters using Rolls-Royce...