Results of 5-yr secret war work in aircraft acoustic materials, aircraft communications systems, and hearing aids for war deafened servicemen; how Fiberglas was employed as acoustic material; description of echoless chamber simulating atmospheric conditions at 1000-3000 ft. (see also Electronic Industries v 5 n 3 Mar 1946 p 78)
Electro-acoustic laboratory at Harvard
Chem Eng News
Chemical and Engineering News ; 24 , n 2
1946
2 pages
Aufsatz (Zeitschrift)
Englisch
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Electro-acoustic laboratory at Harvard
Engineering Index Backfile | 1946
IuD Bahn | 1994
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Online Contents | 1997