[time-nuts] gravity controlled pendulumn clock?

Rob Kimberley robkimberley at btinternet.com
Tue Dec 13 18:41:22 UTC 2011


Number one rule in life - never lose your sense of humour!
Rob

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Don Latham
Sent: 13 December 2011 18:38
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] gravity controlled pendulumn clock?

Yes, but different seconds. I learned many years ago to use the RSF
(rod-stone-fortnight) system of units. Small errors are much smaller...
Don

Jim Lux
> On 12/13/11 8:57 AM, Bob Bownes wrote:
>> What's metric or Common Measure about seconds? ;)
>>
>> Bob
>
>
> AN excellent point.. aren't seconds the only unit that is the same in 
> basically all measurement systems?  there's cgs, mks, SI, Imperial, US 
> Customary, Avoirdupois, etc  and they all use seconds.
>
>
> And since this is timenuts.. where did the second originate (I recall 
> a story about Galileo counting heartbeats for his experiments rolling 
> balls down ramps... but that sounds a bit too convenient).
>
> Is it just dividing hours by 60 to get minutes and minutes by 60 to 
> get seconds  (as my daughter was wont to say when learning fractions: 
> curse those Babylonians)
>
> http://tf.boulder.nist.gov/general/pdf/2209.pdf
>
> makes it seem to be Claudius Ptolemy
>
>
>
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-- 
"Neither the voice of authority nor the weight of reason and argument
are as significant as experiment, for thence comes quiet to the mind."
R. Bacon
"If you don't know what it is, don't poke it."
Ghost in the Shell


Dr. Don Latham AJ7LL
Six Mile Systems LLP
17850 Six Mile Road
POB 134
Huson, MT, 59846
VOX 406-626-4304
www.lightningforensics.com
www.sixmilesystems.com



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