Safe landing made possible during fog by perfected Hanson audio piloting cable system; principle of system is outlined.
Landing indicator for airplanes
Radio Eng
Radio Engineering ; 10 , n 4
1930
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1922
|Engineering Index Backfile | 1930
|Engineering Index Backfile | 1929
|Engineering Index Backfile | 1930
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Engineering Index Backfile | 1920