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Scientific investigation into the possibilities [of jet propulsion] has given no indication that this method can be a serious competitor to the airscrew-engine combination. -- The British Under-Secretary of State for Air, 1934 |
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Scientific investigation into the possibilities [of jet propulsion] has given no indication that this method can be a serious competitor to the airscrew-engine combination. -- The British Under-Secretary of State for Air, 1934 |