Sound "Bullets" for Fog Navigation

Contenuto

Titolo
Sound "Bullets" for Fog Navigation
Oggetto
en Technology
en Ships
Article Title and/or Image Caption
The Scientific American Digest, Sound "Bullets" for Fog Navigation
Autore secondario
F.D. McHugh (editor)
Lingua
ENG
Copertura temporale
interwar period
Data di rilascio
1932-04
pagine
232
Diritti
Public Domain
Referenzia
General Electric
New London
Archived by
Lara Azzolini
Media
Immagine 2025-03-12 170046.png