[time-nuts] Local Solar Time Clock

[Jim Lux]

On 1/19/14 1:49 AM, Chris Albertson wrote:
> On Sat, Jan 18, 2014 at 11:14 PM, David J Taylor <
> david-taylor at blueyonder.co.uk> wrote:
>
>>
>> Are you perhaps thinking of sidereal time, Chris?
>>
>>
>>
> Either way, the difference is within the limits of the basic tin wind-up
> alarm clock.  A quality wrist watch would not work because it is to good
> and harder to adjust.  Something like this:
> Westclox-15396-Ardmore-Twin-Bell<http://www.amazon.com/Westclox-15396-Ardmore-Twin-Bell/dp/B0000V0DEW/ref=pd_sim_hg_1>
>
> Now if the OP wants to track apparent solar time to better then a few
> seconds per month, then it gets real hard if you have to do it with
> springs, pendulums and gears because the clock needs to track the date.  I
> think you might need some kind of of non-round cam that revolves once per
> year.
>

That's what the 'equation clocks' in the Wikipedia article do.