Notes on navigation and airway and ship routes; directing of ships by magnetic fields of current-carrying cables in bottom of sea; principles of directing without cables; radio beacons.
Guiding with and without cable of ships and airplanes
Le guidage par cable et le guidage sans cable des navires et des avions
Revue Generale de l'Electricite ; 28 , n 1
1930
13 pages
13 Figs.
Article (Journal)
French
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