”A New System of Sound Recording” (Harrison, 1932)

Published 2022/10/08 at 771 × 1200 in Things I learned on Phono EQ curves, Pt. 4

source A New System of Sound Recording by HC Harrison Bell Laboratories Record Vol10 No 11 July 1932 p389
電気録音発明者の1人Harrison 氏によるBell Labs 縦溝トランスクリプション盤の解説記事

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”A New System of Sound Recording” (Harrison, 1932)

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