[BC] Gray Tone Arms Patent link

Milton R. Holladay Jr. miltron
Sun Oct 2 21:41:30 CDT 2005


The grease was right on the edge of liquid and solid ( depending on
temperature, I suspect. Somewhat thicker than STP, even.)
I had a 12" Japanese knock-off  by the name of Rystyl (sp?) which was
actually nicer than the 12' Grays.
Still lookung for a nice 108B..........
M
----- Original Message ----- 
From: "Don Worsham" <media at gte.net>
To: "Broadcast Radio Mailing List" <broadcast at radiolists.net>
Sent: Saturday, October 01, 2005 11:50 AM
Subject: Re: [BC] Gray Tone Arms > A number of tonearms use (used) fluid
dampening. This patent and the patent for the
> Gray 212/216 refer to a number of other patents, some to the shape of the
arm and
> others to fluids.
>
> The patent specifies the silicone "cst" rating for arm dampening. In this
case 2,000
> cst (thin as pancake syrup) to 100,000 cst (hot tar!!!). I once had a 108
arm, which I
> am trying to replace, and as I recall the dampening fluid was toward the
thick end of
> this range.
>
>
>
>
> "Don Worsham" media at gte.net



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