On Friday, November 18, 2011 11:34:45 AM Kent A. Reed did opine:
> On 11/18/2011 2:52 AM, Peter Blodow wrote:
> > Kent,
> > I have a mechanical clock that was used to control and synchronize
> > about 100 slave clocks in our company. It is built very simple, but
> > uses two important principles:
On 11/18/2011 2:52 AM, Peter Blodow wrote:
> Kent,
> I have a mechanical clock that was used to control and synchronize about
> 100 slave clocks in our company. It is built very simple, but uses two
> important principles: the pendulum is made if invar steel and the
> driving chain is endless, the
Kent, from this descrition I gather that it's actaually only one clock,
the one running in vacuum. The other clock is just for separation from
the outside world in order to keep away all disturbances. Two questions
arise for me:
- How is the vacuum pendulum adjusted in the first place to 200 us
Dave,
I would be pleased to load the pictures up (don't expect too much,
though), but have never done so, always mailing directly. Can you give
me a link where I'm authorized to put the pics?
Peter
Dave Caroline schrieb:
> On a web site so we can all see please :)
>
> Dace Caroline
>
>
On a web site so we can all see please :)
Dace Caroline
--
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Kent,
I have a mechanical clock that was used to control and synchronize about
100 slave clocks in our company. It is built very simple, but uses two
important principles: the pendulum is made if invar steel and the
driving chain is endless, the weight being wound up electrically every
minute b
On Thursday, November 17, 2011 10:58:38 PM Kent A. Reed did opine:
> Gentle persons:
>
> Gene Heskett asked me if there is a website describing the
> Shortt-Synchronome clock I mentioned. One could start at
> http://en.wikipedia.org/wiki/Shortt-Synchronome_clock which includes a
> photograph of t
Gentle persons:
Gene Heskett asked me if there is a website describing the
Shortt-Synchronome clock I mentioned. One could start at
http://en.wikipedia.org/wiki/Shortt-Synchronome_clock which includes a
photograph of the one at NIST, No. 32 out of perhaps twice that many
sold to others.
The r
