[Phono-L] Edison Diamond Disc size

2011-03-20 Thread Bruce Mercer
Many years ago I asked Walter Welch what the conical tip size was for the DD. He informed me ot was .0075. I wrote it down inside the back cover of my then new copy of Tinfoil to Stereo. Bruce M. ___ Phono-L mailing list http://phono-l.oldcrank.org

Re: [Phono-L] Edison Diamond Disc size

2011-03-20 Thread Ron L'Herault
To: Antique Phonograph List Subject: [Phono-L] Edison Diamond Disc size Many years ago I asked Walter Welch what the conical tip size was for the DD. He informed me ot was .0075. I wrote it down inside the back cover of my then new copy of Tinfoil to Stereo. Bruce M