[pianotech] 3 sound boards???

[Ron Nossaman]

On 9/7/2012 8:18 PM, David Weiss wrote:
>
> Someone call me today to make a tuning appointment, and told me they
> have a piano with 3 sound boards.  Hmm.
>
> They told me the brand was a Heppe and Sons and the plate says Edward
> Jules.
>
> I did some poking around on the internet and came across this blurb on
> the Blue Book of Pianos:
>
> HEPPE & SON
>
> The C. J. Heppe & Son is the leading piano made by the Heppe Piano Co.
> The pianos made under the direction of the Heppe Piano Co. are produced
> by two factories in uptown Philadelphia. The Heppe Piano Co.'s product
> differs from all other pianos because that they have three sounding
> boards instead of one, an invention which was patented in 1902 in the
> United States and foreign countries.
>
> Anyone familiar with this?


Personally, no. Is this it? patent #711765
Ron N