Tests intended for determining what type of elevated-railway construction is effective against noise; measurements made of amount of noise right under and at several points along track of elevated railroads in and near Tokyo, Osaka and Kobe; device, together with 2-A audiometer, was employed, by means of which noise as received by microphone was indicated by meter. (In Japanese with brief English abstract)
Construction of elevated railways and noises of electric cars
Japanese Gov Rys -- Bul
Japanese Government Railways -- Bulletin ; 22 , n 10
1934
Aufsatz (Zeitschrift)
Japanisch
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