concrete rim

[Horace Greeley]

Don,

Challis made rims of "ferro-cement".  The process is now long out of
patent, so one could probably get at least general formula information from
the British Patent Office.

Horace




>Hello List,
>
>In keeping with the thread of odd materials used in piano construction, has
>anyone ever seen a grand piano that had a concrete rim? I ran into one back
>in the seventies but unfortunately any record I had on this is missing. The
>piano was located in a home near Reading, PA.
>
>I remember noticing a strange rim separation during the inspection. Further
>investigation revealed that the rim was not made of wood. I spoke to an old
>timer in the area and he replied yes, that company made concrete rims.
>Anybody out there know what company this was?
>
>Don McKechnie
>Ithaca College
>dmckech@ithaca.edu