Hi James,
I would like one if there is one left.
Thanks,
Frank

--- "JAMES C. ALLEN"  wrote:

> I just bid on and won three Teledyne Geotech
> Helicorder's model RV-301B, for 
> which I am going to keep one and am willing to give
> the other two away. 
> These units will require repair.  However, if you
> want one go to the EBay 
> listing for item # 6223171283 which closed yesterday
> select either one or 
> both of the two on the right side of your screen and
> let me know.  I will 
> inform the company to release it (them) to you.  You
> just have to pay 
> shipping which will run (in the USA) about $35.00
> per unit.
> James Allen
> ----- Original Message ----- 
> From: "Wayne" 
> To: 
> Sent: Monday, November 07, 2005 8:57 AM
> Subject: Re: low friction hinge discusson
> 
> 
> >
> > Subject: Re: low friction hinge discusson
> >
> >
> >> Oh yes, one other point (pun intended) about
> points on surfaces, it would 
> >> seem to me that mixing material is a good idea. 
> I belive I've heard that 
> >> generally sliding surface bearings are better if
> the materials are 
> >> different.
> >
> >
> > Regarding this, I had heard that in addition to
> choosing materials with 
> > low sliding friction, a second bearing material
> was often used for ease of 
> > subsequent maintenance.  That is, if the same
> bearing material were used 
> > for both surfaces, both bearing parts would wear
> away at pretty much the 
> > same rate.  With differing materials having
> different wear rates, only one 
> > half of of the bearing would need to be replaced. 
> This could be useful in 
> > those circumstances where "half" of the bearing is
> more readily accesible, 
> > but the other "half" is not.  Don't know if this
> wear/replacement business 
> > has any bearing (pun intended) on seismo hinges,
> however.
> >
>
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> > 
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> 
>
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