M&H history?

[Richard Moody]

> Much of what we do today in building pianos is not far removed from the
way
> it was done 100 years ago.   We continually test ideas in experimental
> efforts to learn more about how we might build a better piano.  More often
> than not, the experiments raise more questions than they answer!
>
> Frank Emerson, engineer
> Mason & Hamlin

I am wondering how much from the old Mason & Hamlin remains.  Are there any
original records, tools, machinery, day books, files, plant procedures,
coorespondence, orders, work orders, invoices, anything of historical
interest?
---ric