Re: absolute pressure

[Brian Whatcott <inet@INTELLISYS.NET>]

I stand corrected: the neros root is indeed associated with water
or liquid, rather than a misremembered aer-  (air) root

Taking up Herb's question, the mercury barometer absolutely requires
 the absence of air in the Torricellian vacuum of the overhead space.

Brian W

At 04:32 AM 6/5/02, you wrote:
> According to my dictionary, "aneroid" means no liquid.
>
> Now, just for the record....
>
> Where can one purchase a "mercury barometer" that does not
> require any air to operate?
>
>               : - )
>
> Herb
>
>
> On Tue, 04 Jun 2002 23:33:59 -0500 Brian Whatcott <inet@INTELLISYS.NET>
> writes:
> > At 05:30 PM 6/4/02, Herb G wrote:
> > >On Tue, 04 Jun 2002 14:52:55 -0400 "John S. Denker"
> > <jsd@MONMOUTH.COM>
> > >writes:
> > > > "Frohne, Vickie" wrote:
> > > > >
> > > > > one can get aneroid barometers that don't use mercury.
> > > >
> > > > Yup.  At the auto-parts store among other places.
> > > >   http://www.nettally.com/silly34/mapbp.htm
> > >
> > >YES! But is it possible to get an "aneroid" barometer that
> > >DOES USE  mercury???
> > >
> > >If so, where are they available??
> > >
> > >Herb Gottlieb from New York City
> > >(Where it is most difficult to find an aneroid barometer that uses
> > >mercury.)
> >
> >
> > As it turns out, the traditional mercury level barometer *is*
> > aneroid.
> >
> > However, the so-called
> > 'aneroid capsule' actuated barometer is not, [or need not be]
> > aneroid.
> >
> > How about that!   :-)
> >
> >
> >
> >
> >
> >
> >
> > Brian Whatcott
> >    Altus OK                      Eureka!
> >

Brian Whatcott
  Altus OK                      Eureka!