A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Acoustic speed indicators for airships
Describes device consisting of a very light screw driving a small alternator, and a telephone receiver sound produced at each turn of screw.
Acoustic speed indicators for airships
Describes device consisting of a very light screw driving a small alternator, and a telephone receiver sound produced at each turn of screw.
Acoustic speed indicators for airships
Indicateur acoustique de vitesse relative pour aeronef
de Gramont de Guiche, A. (author)
1924
3 pages
1 Fig.
Article (Journal)
French
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