Abstract
THE death of Senor Cierva in the accident to a Dutch air liner on December 9 is a grave loss to aeronautical science. Fourteen years ago he invented the main principles of the autogiro, and in the intervening years he was assiduous in working, chiefly in England, on schemes for its improvement. His very latest model, the direct lift type, after being successfully demonstrated, has now reached the point of being built in numbers. Hence its inventor may be said to have lived just long enough to see his invention reach the fullest development attainable by that type of aircraft.
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Señor Don Juan de la Cierva. Nature 139, 17–18 (1937). https://doi.org/10.1038/139017b0
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DOI: https://doi.org/10.1038/139017b0
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