On 28/01/2021 13:37, Graham. wrote:
Wrote in message:
A bit of a long-shot but ... is there anyone out there who has restored,
is restoring, or has worked on a 19th century square piano?


The problem with square pianos
is they sound a bit flat ;-)

They're sometimes tuned to A415, rather than A440, so that's not surprising.
Or (attempting to match the humour) ... you'd expect them to be sharp
because of the square corners ;-)