“Victrolac Motion Picture Records” (Barton, JSPTE, 1932)

Published at 800 × 339 in Things I learned on Phono EQ curves, Pt. 4
“Victrolac Motion Picture Records” (Barton, JSPTE, 1932)

source <a href=httpsarchiveorgdetailsjournalofsociety18socirichpagen457mode2up>Journal of the Society of Motion Picture Engineers<a> April 1932 p452<br>Barton 氏の Victrolac 論文のアブストラクト<br>Abstract section of FC Bartons Victrolac paper

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