Chris:  You might check the wood from which the pin board is made.  If 
it is Oak, which is an acid wood, there is not much you can do.  Other 
woods, such as Maple are sweeter.  You might also look at plated pins 
(chrome or similar).

Tom Roach
Waterloo, Ontario
519 746 5324
519 503 3806

On 2016-09-26 06:37, Chris Vandekerkhove wrote:
> Dear members,
>
> I recently changed some strings on a friend's harpsichord. Several tuning pins were suffering from corrosion. Is there some treatment for this? I already used some very fine grained sanding paper to remove the worst spots. The tuning pins are of the blank/shiny type.
>
> Have a nice week,
>
> Chris.
>
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::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
Note:  opinions  expressed on HPSCHD-L are those of the  individual con-
tributors and not necessarily  those of the list owners  nor of the Uni-
versity of Iowa.  For a brief  summary of list  commands, send mail to
[log in to unmask]  saying  HELP .
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::