Most good tonearms will play in reverse without any remounting. Kevin P. Mostyn wrote: >I am working on a project of transferring a collection of 16" lacquers, a >number of which have suffered water or humidity damage, due to poor storage >conditions. > >One of them is a glass base disc of the Koussevitzky 2/27/1943 world >premiere broadcast of the Roy Harris Symphony #5. One side of the disc is >playable; the other side is delaminating. A portion of the lacquer has >started to peel off, but is still attached. I have had some success with >re-affixing peeling lacquer in the past, but unfortunately, differential >shrinkage has set in, and the partially peeled off section does not quite >align with the unpeeled section. The method of re-attaching the peel is >temporary and not strong, and I would appreciate any hints on a permanent >method. > >While I can readily deal with the clicks and clunks this will cause, I am >reluctant to try to play the side, as the normal rotation of the disc and >stylus would "go against the grain" of the peel, and the stylus would try to >lift the peel off the glass. I would probably have a greater chance of >success in playing this side if I could play the disc while it is rotated >counter-clockwise, and at 16 2/3 rpm. > >Has anyone here ever done this? Of course, the arm will have to be >re-mounted, and there will be a problem with the offset geometry, but I'm >willing to suffer the tracking angle distortion if I can play this disc. I >do have an aircheck of this performance, but the sound on this disc is >rather better, and without the severe pitch problems of the aircheck. > >Any advice would be greatly appreciated. Thanks! > >Kevin Mostyn > > >