AIR COMMODORE SIR FRANK WHITTLE tells how, as an RAF cadet with only five years' experience, he thought of the idea of jet propulsion, and went on to prove to the disbelieving Air Ministry that it worked.
(BBC Sound Archive recording)
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AIR COMMODORE SIR FRANK WHITTLE tells how, as an RAF cadet with only five years' experience, he thought of the idea of jet propulsion, and went on to prove to the disbelieving Air Ministry that it worked.
(BBC Sound Archive recording)