Response of experimental pickup driven by constant velocity pressings (Frederick, 1929)

Response of experimental pickup driven by constant velocity pressings (Frederick, 1929)

source <cite><a href=httpsarchiveorgdetailsbstj8 1 159mode2up>Recent Advances in Wax Recording<a><cite> Halsey A Frederick Bell System Technical Journal 8 1 January 1929 pp 159 172<br>archived at <a href=httpsarchiveorg>Internet Archive archiveorg<a>

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