Jones, Joseph W.
(*1876)
Jones, Joseph W. (Ca. 1876–?) American inventor. As a youthful employee of Emile Berliner, he worked a summer at age 17 in the Washington, D.C., laboratory and closely observed the recording process (which employed acid-etched zinc matrices). Jones devised a method of cutting a wax disc with a lateral groove, similar to the method of Eldridge Johnson, and applied for a patent on the process in November 1897, receiving it on 10 Dec 1901 (U.S. #688,739). His success was in part due to the clever…