But note that he advocates the use of glycerine to "rejuvenate" the wooden horn - and that glycerine is also used on pianos in the same way, but by only the worst, shoddiest tuners. It's a cheap, quick way to ruin wood. ----- Original Message ----- From: "bruce78rpm" <bruce78rpm at comcast.net> To: "Antique Phonograph List" <phono-l at oldcrank.org> Sent: Friday, February 09, 2007 7:31 AM Subject: Re: [Phono-L] orthophonic/credenza question Here is a wonderful website with great research by Mr. Wakeman ...