how many pianos...?

[gordon stelter]

Here again, I must refer you to the American Steel and
Wire 1917 piano makers' convention ( which Steinway
chose to avoid )transcriptions republished as "Piano
Tone Building" by the Vestal Press in the 1970's.
These fellows were quite scientific, using x-rays and
such to research their findings. Fascinating reading
for piano enthusiasts. ( And probably not anyone else.
) 
--- Delwin D Fandrich <pianobuilders@olynet.com>
wrote:
> 
> ----- Original Message -----
> From: "gordon stelter" <lclgcnp@yahoo.com>
> To: <pianotech@ptg.org>
> Sent: August 26, 2002 5:43 AM
> Subject: Re: how many pianos...?
> 
> 
> > ....Foundry castings need time to "cure" for
> strength....
> 
> Do you have any technical reference for this? I've
> been trying to track down
> solid information on the subject for some time--but
> to no avail. It's long
> been assumed and talked about--at least within the
> piano industry--but I'm
> after specific details. What 'strength' parameters
> change over time?
> Stiffness? Impact strength? Compression strength?
> What?
> 
> Del
> 


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