Description of Loth acoustic signal system for airports enabling aircraft to land in fog and in complete darkness; airport is supplied with system of concentric circular underground cable lines charged with current of musical frequency of various intensities; orientation of aircraft with respect to landing field is accomplished by acoustic signals.
Le balisage Loth d'un aerodrome par cables souterrains
Le balisage Loth d'un aerodrome par cables souterrains
Aerophile ; 42 , n 2
1934
2 pages
Article (Journal)
French
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Le balisage des aerodromes par cables enterres
Engineering Index Backfile | 1933
|Avaries aux cables souterrains, etc
Engineering Index Backfile | 1934
|