Verdigris (Was Re: further clarification on query)

[CA]

Jim Coleman, Sr. wrote:

> Hi Tim:
>
> It has been my experience that I have seen verdigris only on one brand of
> pianos. This manufacturer for many years treated its bushings with a
> paraffin solution. It was a nice lubricant until it began eating away
> at the plating of the center pins and when it got to the brass it turned
> green (the verdi part of the word)
>
> Jim Coleman, Sr.
>
> PS If I'm wrong about the only brand, please correct me. I've been corrected
> before and have survived. JWC
> I have also seen on the Jacks!! of an 1892 Geo. Steck. I think that the
> paraffin  was used to treat the wood parts to reduce moisture absortion. The
> Earliest S&S piano I have seen with this problem was a 1904 upright. It's
> possible that not all paraffin used was corrosive.
> >
> >Gene Roe RPT
> >
> I >