A comparison of the acoustic insulation afforded by certain aviation helmets when worn with oxygen masks and goggles PB-22915 NDRC RSC IC90

A comparison of the acoustic insulation afforded by certain aviation helmets when worn with oxygen masks and goggles

PB-22915 NDRC RSC IC90

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Material Type: 規格・テクニカルリポート類
Title: A comparison of the acoustic insulation afforded by certain aviation helmets when worn with oxygen masks and goggles
Author/Editor: Seaw, W. A
Publication Date: 1944
Publication Date (W3CDTF): 1944
Extent: microfilm 8 p
Note (Material Type): [microform]
Report No.: テクニカルリポート番号 : PB-22915
テクニカルリポート番号 : NDRC RSC IC90
Holding library: 国立国会図書館
Call No.: F-22-28
Data Provider (Database): 国立国会図書館 : 国立国会図書館蔵書
https://ndlsearch.ndl.go.jp
Bibliographic ID (NDL): 000004602273
http://id.ndl.go.jp/bib/000004602273
Bibliographic Record Category (NDL): 291