division [mailto:[log in to unmask]] On Behalf Of
John Leeke
Sent: Wednesday, December 05, 2007 10:51 AM

 >>lime plaster formulated for sound deadening?

Two words: deer hair. As recently as the 1980s there was a standard 
product from USG (I seem to recall) with deer hair. The deer hair is 
like a hollow cylinder that has just the right strength characteristics 
to absorb the vibration of sound in the plaster system.

who knows what evil lurks in the mind of man, only the shadow do


--John (don't pay any attention to that man behind the curtain) Leeke

>
>

John

I had heard that polar bear hair is hollow (tubular, like a drinking
straw) but hadn't heard that about deer hair.  So, inquiring minds . . .
go to Google:

>
Different regions of North America have different subspecies and each of
these deer have their own hair characteristics. The subspecies which
inhabit the northern states and southern Canada generally possess the
best overall hair quality for a variety of tying requirements. The hair
which is used in tying is obtained from the "winter coat" (blue coat) of
the whitetail. The term "blue coat" is of the roots of the hair which
grow through the skin before the hair has grown to its full length. Once
the hair has grown out completely the inside of the skin is creamy
white. The summer coat (red coat) lacks the qualities necessary to make
good tying hair. It is solid in texture, much more tapered, and wirey in
texture. The majority of the winter coat is kinky to wavey in
appearance, and is described as "hollow". This is not a completely
accurate description of the winter hair as it is not hollow like a drink
straw, but rather each hair is filled with hundreds of tiny air pockets
which serve as the insulation for the deer in cold climatic conditions.
This "hollow" quality is also the reason the hair floats.
>

From http://globalflyfisher.com/staff/helm/selecting/

Bruce

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