Letter to editor reviewing airship experiment, and questioning wisdom of continuing State expenditure in field where prolonged, intelligent and costly effort has brought forth so little which is encouraging and so much which is very definitely reverse.
Airship experiment
Engineer
Engineer ; 151 , n 3929
1931
Article (Journal)
English
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Emerald Group Publishing | 1929
Airship progress and airship problems
Engineering Index Backfile | 1929
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