The Behm acoustic sounder for aircraft enables the barometric determination for the altitude by night or fog and therefore promises to prove of great importance in safeguarding air traffic.
Behm Acoustic Sounder for Aircraft
1926-01-01
Sonstige
Keine Angabe
Englisch
Behm acoustic sounder for aircraft
Engineering Index Backfile | 1926
Engineering Index Backfile | 1922
|Alexander Behm und 100 Jahre Echolotpatente
HENRY – Bundesanstalt für Wasserbau (BAW) | 2013
|Behm altimeter for airplanes and its accuracy
Engineering Index Backfile | 1930
|Alexander Behm − Der Erfinder des Echolots?
HENRY – Bundesanstalt für Wasserbau (BAW) | 2013
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