Nice! I love the 1 RPYear wheel! Sent from my iPhone
On Jun 21, 2011, at 4:43 PM, "Robert Terwilliger" <[email protected]> wrote: > Roderick, > > The eot watch your link produced does not seem to be mechanical – hence no > kidney piece. > > Google > movement equation of time watch > > Then try the images > > Here’s one > > http://www.breguet.com/var/ezwebin_site/storage/images/equation-of-time/3646-5-eng-GB/Equation-of-time.jpg > > Bob > > From: R Wall [mailto:[email protected]] > Sent: Tuesday, June 21, 2011 6:06 PM > To: Robert Terwilliger; [email protected]; [email protected] > Subject: Re: EoT diagram > > Hi again, > > This is a good link on EOT and watches > > http://www.timezone.com/extras/200711101492 > > Roderick Wall. > > From: R Wall > Sent: Wednesday, June 22, 2011 7:08 AM > To: Robert Terwilliger ; [email protected] ; [email protected] > Subject: Re: EoT diagram > > Hi all, > > After sending my last email. I thought I should have 1st searched the > Internet before sending it: > > http://forums.timezone.com/index.php?t=tree&goto=5710449&rid=0 > > Note: scroll down to the larger photo. > > Looks as if the outer EOT ring can be adjusted (turned) to have the current > EOT month at the top 12 o’clock position. And there are other “sun” > information, what I’m not sure. > > By the way ChiLan, I think your time scale is the wrong way around. “+” > should be “-“ and “-“ should be “+”. > > Roderick Wall. > > > From: R Wall > Sent: Wednesday, June 22, 2011 6:18 AM > To: Robert Terwilliger ; [email protected] ; [email protected] > Subject: Re: EoT diagram > > Hi ChiLian and Robert, > > Thanks ChiLan, your EOT curve is interesting. I suppose anything to do with > sundials has a high chance of being invented before as sundials have been > around for a long time. > > Robert, the kidney shape cam in the watch is interesting, is this watch still > in production and can it be purchased. I’ve never seen a watch with EOT > indication. > > Thanks, > > Roderick Wall. > > From: Robert Terwilliger > Sent: Wednesday, June 22, 2011 5:55 AM > To: [email protected] ; [email protected] > Subject: RE: EoT diagram > > The equation graph projected on a circle is used as a "kidney piece" cam in a > watch movement that can indicate the equation. > > Here is a picture of the gear carrying the kidney piece. It turns once a year. > > http://people.timezone.com/mdisher/decorte/gyro2/gyro2_3.jpg > > Bob > > From: [email protected] [mailto:[email protected]] On > Behalf Of Chiu ?,Chi lian > Sent: Tuesday, June 21, 2011 12:11 PM > To: [email protected] > Subject: EoT diagram > > Hi, > > I figured out a way to plot EoT curve which I didn't see in sundial books I > own. > Diagram is enclosed here. > > For a better resolution one, see > http://dl.dropbox.com/u/31382133/EoT%20.png > > Best regards, > > ChiLian 24.8N 121E > --------------------------------------------------- > https://lists.uni-koeln.de/mailman/listinfo/sundial > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1382 / Virus Database: 1513/3716 - Release Date: 06/20/11 > > --------------------------------------------------- > https://lists.uni-koeln.de/mailman/listinfo/sundial > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1382 / Virus Database: 1513/3716 - Release Date: 06/20/11 > > --------------------------------------------------- > https://lists.uni-koeln.de/mailman/listinfo/sundial > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1382 / Virus Database: 1513/3716 - Release Date: 06/20/11 > > --------------------------------------------------- > https://lists.uni-koeln.de/mailman/listinfo/sundial >
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