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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
>
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