[time-nuts] Rock, gas, and air

Bruce Griffiths bruce.griffiths at xtra.co.nz
Mon Mar 1 01:41:20 UTC 2010


Bill Hawkins wrote:
> Rock I take to be crystal. How about gas and air?
>
> Bill Hawkins
>
> -----Original Message-----
> From: Magnus Danielson
> Sent: Sunday, February 28, 2010 5:15 PM
> To: pg5g at b737.co.uk; Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] My DIY frequency counter and a request for help
>
> ------%<------
>
> I think I have a fairly good setup including bunches of rock, gas and
> air clocks alongside a fair set of counters, so I could probably do some
> testing, but I am located over in Sweden.
>
>
>    
Gas = rubidium vapour??

Bruce




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