[pianotech] R. Rathke info?

[Phil @ EMV Keys]

Correction - it's just "R. Rathke" (no "& Sons")

Phil @ EMV Keys wrote:
> Can someone provide any info at all on "R. Rathke & Sons" pianos. 
> Pierce doesn't have anything other than "St. Petersburg, Russia, 1868" 
> Any info at all is appreciated. It's a 6'+ grand which my client 
> purchased and had shipped over when she came to Canada.
>
> Thanks, Phil
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