Re: [Phys-l] [tap-l] speed of sound

[Brian Whatcott <betwys1@sbcglobal.net>]

An oil cap would be my thought too, though evil  mercury is so much 
more resistant to the resonant pressure fluctuation.
 Having caught up with John M. and Mike E.'s contributions, I see 
that the Rubber Book had its  issues 25 years ago.

Brian W

At 07:33 PM 4/16/2007, you wrote:
> "I add the cautionary note that trapping CO2 over water
>   is inviting humidity to modify that speed as it also
> changes  the density."
>
>
> Some olive or mineral oil on top?
>
> bc, thinks  measuring just water vapour would be instructive.
>
>
> Brian Whatcott wrote:
>
> >It's wonderful to see the Rubber Book on-line,
> >and not so wonderful to realize the inevitable -  that
> >it's a subscriber service.
> >Stepping back to the 61st Edition, I see that
> >the Velocity (not Speed) of Sound table on page  E47
> >gives CO2 at 259 m/s changing at 0.4 m/s per degC
> >
> >Brian W
> >
> >
> >At 02:53 PM 4/16/2007, you wrote:
> >
> >
> >
> >>Anthony,
> >>
> >>The CRC is online!  http://www.hbcpnetbase.com/
> >>
> >>


Brian Whatcott    Altus OK    Eureka!