moisture factoid, was Re: Organ Pipes

[Bernard Cleyet <anngeorg@PACBELL.NET>]

In an effort to find the relative importance of humidity on the speed of air
sound, I found it a method of determining the moisture in wood -- important in
curing for sale.

http://www.fpl.fs.fed.us/documnts/pdf1998/simps98c.pdf

bc who thinks over drying of would may make it brittle in addition to being
wasteful.

Rick Tarara wrote:

> You only have to do a calculation to see that the tuning effect lies almost
> entirely with the temperature dependence of the speed of sound in air.  The
> expansion/contraction of the instruments contributes minimally.
>
> Rick
>
> *********************************************************
> Richard W. Tarara

cut