July 3, 2011 at 5:57 pm
I came across a couple of interesting films on the Public Records Office site, and this particular one may be of interest here. It was released in 1950 and deals with the development of the jet engine. It even features a cameo by Frank Whittle hamming it up as himself.
http://www.nationalarchives.gov.uk/films/1945to1951/filmpage_twj.htm