SV: facebook, anyone?
Don't worry, Facebook will only be an addition to this list - at least for me as I not allways check the groups I attend at Facebook. Best AnneB Fra: Archie Kregear [mailto:arch...@charter.net] Sendt: 26. juli 2011 19:37 Til: Bruvold Anne Emne: RE: facebook, anyone? My vote is a big NO to moving this to Facebook. Messages to groups on facebook send me an e-mail... so we can skip the facebook step and keep our messages more pure than becoming filled with advertisements. Just my opinion. Archie Kregear p.s. I have a facebook account and if you wish to be my friend there, add me. -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bruvold Anne Sent: Tuesday, July 26, 2011 2:51 AM To: sundial@uni-koeln.de; ka...@karonadams.com Subject: SV: facebook, anyone? What about making a Sundial group or page at facebook? AnneB Tromsø, Norway Fra: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] På vegne av karon Sendt: 25. juli 2011 15:31 Til: 'Sundial List' Emne: facebook, anyone? Are folks here using facebook? That would seem not only a great way to find one another, other than this targeted, topic driven list, but also a great place to post pictures of work as well as work in progress. For anyone interested, please feel free to send me a friend request mentioning dials to http://www.facebook.com/YellowRibbonRosaries Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: SV: facebook, anyone?
Yes, as AnneB stated, the Facebook group is something separate to this sundial mailing list. I don't want to cancel this valuable list. And this medium has still a lot of advantages compared to a group on a social platform. Best regards - - Daniel, sundial mailing list - Original Message - From: anne.bruv...@nordnorsk.vitensenter.no To: arch...@charter.net, sundial@uni-koeln.de Date: 27.07.2011 09:54:45 Subject: SV: facebook, anyone? Don't worry, Facebook will only be an addition to this list - at least for me as I not allways check the groups I attend at Facebook. Best AnneB Fra: Archie Kregear [mailto:arch...@charter.net] Sendt: 26. juli 2011 19:37 Til: Bruvold Anne Emne: RE: facebook, anyone? My vote is a big NO to moving this to Facebook. Messages to groups on facebook send me an e-mail... so we can skip the facebook step and keep our messages more pure than becoming filled with advertisements. Just my opinion. Archie Kregear p.s. I have a facebook account and if you wish to be my friend there, add me. -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bruvold Anne Sent: Tuesday, July 26, 2011 2:51 AM To: sundial@uni-koeln.de; ka...@karonadams.com Subject: SV: facebook, anyone? What about making a Sundial group or page at facebook? AnneB Tromsø, Norway Fra: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] På vegne av karon Sendt: 25. juli 2011 15:31 Til: 'Sundial List' Emne: facebook, anyone? Are folks here using facebook? That would seem not only a great way to find one another, other than this targeted, topic driven list, but also a great place to post pictures of work as well as work in progress. For anyone interested, please feel free to send me a friend request mentioning dials to http://www.facebook.com/YellowRibbonRosaries Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: facebook, anyone?
Hi all, A long time ago I remember hearing bad reports about Facebook. I then decided that Facebook was a place I wouldn't go to. I note now that a lot of companies are on Facebook and people are even moving away from Yahoo groups to Facebook. I'm interested in technical talk but not sure about social talk. Can someone please tell me what Facebook is really like? Regards, Roderick Wall. -Original Message- From: r...@infraroth.de Sent: Wednesday, July 27, 2011 6:08 PM To: anne.bruv...@nordnorsk.vitensenter.no ; arch...@charter.net ; sundial@uni-koeln.de Subject: Re: SV: facebook, anyone? Yes, as AnneB stated, the Facebook group is something separate to this sundial mailing list. I don't want to cancel this valuable list. And this medium has still a lot of advantages compared to a group on a social platform. Best regards - - Daniel, sundial mailing list - Original Message - From: anne.bruv...@nordnorsk.vitensenter.no To: arch...@charter.net, sundial@uni-koeln.de Date: 27.07.2011 09:54:45 Subject: SV: facebook, anyone? Don't worry, Facebook will only be an addition to this list - at least for me as I not allways check the groups I attend at Facebook. Best AnneB Fra: Archie Kregear [mailto:arch...@charter.net] Sendt: 26. juli 2011 19:37 Til: Bruvold Anne Emne: RE: facebook, anyone? My vote is a big NO to moving this to Facebook. Messages to groups on facebook send me an e-mail... so we can skip the facebook step and keep our messages more pure than becoming filled with advertisements. Just my opinion. Archie Kregear p.s. I have a facebook account and if you wish to be my friend there, add me. -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bruvold Anne Sent: Tuesday, July 26, 2011 2:51 AM To: sundial@uni-koeln.de; ka...@karonadams.com Subject: SV: facebook, anyone? What about making a Sundial group or page at facebook? AnneB Tromsø, Norway Fra: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] På vegne av karon Sendt: 25. juli 2011 15:31 Til: 'Sundial List' Emne: facebook, anyone? Are folks here using facebook? That would seem not only a great way to find one another, other than this targeted, topic driven list, but also a great place to post pictures of work as well as work in progress. For anyone interested, please feel free to send me a friend request mentioning dials to http://www.facebook.com/YellowRibbonRosaries Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial --- https://lists.uni-koeln.de/mailman/listinfo/sundial - No virus found in this message. Checked by AVG - www.avg.com Version: 10.0.1390 / Virus Database: 1518/3779 - Release Date: 07/21/11 --- https://lists.uni-koeln.de/mailman/listinfo/sundial
RE: facebook, anyone?
Interesting! I also will have NO dealings with Facebook, which I see as an insidious way of getting all people to put their personal details on-line, to be passed on by so-called 'friends' and then on again by their so-called 'friends', and so on ad-infinitum. There are too many bad press reports which have origins in Facebook. I will never acknowledge or even read a message originating there, and if this group goes in that direction, I will leave it. Don't worry you say? Too late! I am worried (rightly or wrongly) by such un-moderated pages (not just Facebook) in which anything seems to be acceptable, over which I may have no control, and from which it is nearly impossible to get things removed. Everyone should be worried by it. Like Archie, this is just my personal opinion, and may be based on a lack of knowledge of such pages or paranoia on my part. But I won't change my opinion. I have no Facebook account, and don't need one, but I am still happy for you, AnneB, to be a 'friend' outside of Facebook. Peter T. From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bruvold Anne Sent: 27 July 2011 08:55 To: Archie Kregear; sundial@uni-koeln.de Subject: SV: facebook, anyone? Don't worry, Facebook will only be an addition to this list - at least for me as I not allways check the groups I attend at Facebook. Best AnneB Fra: Archie Kregear [mailto:arch...@charter.net] Sendt: 26. juli 2011 19:37 Til: Bruvold Anne Emne: RE: facebook, anyone? My vote is a big NO to moving this to Facebook. Messages to groups on facebook send me an e-mail... so we can skip the facebook step and keep our messages more pure than becoming filled with advertisements. Just my opinion. Archie Kregear p.s. I have a facebook account and if you wish to be my friend there, add me. -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bruvold Anne Sent: Tuesday, July 26, 2011 2:51 AM To: sundial@uni-koeln.de; ka...@karonadams.com Subject: SV: facebook, anyone? What about making a Sundial group or page at facebook? AnneB Tromsø, Norway Fra: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] På vegne av karon Sendt: 25. juli 2011 15:31 Til: 'Sundial List' Emne: facebook, anyone? Are folks here using facebook? That would seem not only a great way to find one another, other than this targeted, topic driven list, but also a great place to post pictures of work as well as work in progress. For anyone interested, please feel free to send me a friend request mentioning dials to http://www.facebook.com/YellowRibbonRosaries Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: special events
Dear Brent, You note: The people who live in the tropics have another special event, when the sun is directly over their latitude. This is not quite true unless you go to an enormous amount of trouble. If you live in the tropics, what normally happens is that the sun crosses to the south of where you live one day and crosses to the north the next. Or, of course, the other way round. To experience the sun directly overhead requires careful planning. You have to match your latitude to the declination of the sun AND be at the right spot at the moment of solar transit. I have tried this a number of times and the best I have managed is a solar altitude of 89 deg. 59' 59.8. Since the diameter of the sun is about half a degree you don't have to be as close as that to have at least part of the sun directly overhead. David Patte comments: they sure don't get much of a shadow at noon on that day :) NO, NO, NO!!! Just go and try it. The shadows are much more interesting than you would expect... Normally, your shadow extends outwards from your feet and if you turn round your shadow doesn't turn with you. When the sun is directly overhead, your shadow DOES turn with you. If you hold your arms out and do a gentle pirouette then the shadow does a nice pirouette too. If you lean your head forward and squint down your nose, you can see the shadow of your nose on the ground and this turns round with you too. The shadow isn't like you are used to though. When you are walking along you see this strange two-dimensional creature round your feet and you can't stop treading on it. You feel kind of cruel :-) I have walked along a crowed street in Kuala Lumpur with the sun at 89 deg 35' studying the feet of other pedestrians. Everyone had this curious two-dimensional companion and I was the only person who realised just what fun this was! There are two down-sides to all this fun: First, it will probably be very hot! [Readers may ponder why :-)] Secondly, if you should look up, you see this fiery object directly overhead and this has a strange psychological effect. You wonder what stops it falling on your head. Have fun in the sun! Frank H. King Cambridge, UK --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: special events
Great story Frank!! I'm fond of celebrations and I've introduced in the Museum where I work all the equinox and solstices as special days to get together and have a symposium ( a good Greek invention ) Lets see if someone living in the tropics comes out with a Noon on Top feast Keep telling stories Roser 2011/7/27 Frank King frank.k...@cl.cam.ac.uk: Dear Brent, You note: The people who live in the tropics have another special event, when the sun is directly over their latitude. This is not quite true unless you go to an enormous amount of trouble. If you live in the tropics, what normally happens is that the sun crosses to the south of where you live one day and crosses to the north the next. Or, of course, the other way round. To experience the sun directly overhead requires careful planning. You have to match your latitude to the declination of the sun AND be at the right spot at the moment of solar transit. I have tried this a number of times and the best I have managed is a solar altitude of 89 deg. 59' 59.8. Since the diameter of the sun is about half a degree you don't have to be as close as that to have at least part of the sun directly overhead. David Patte comments: they sure don't get much of a shadow at noon on that day :) NO, NO, NO!!! Just go and try it. The shadows are much more interesting than you would expect... Normally, your shadow extends outwards from your feet and if you turn round your shadow doesn't turn with you. When the sun is directly overhead, your shadow DOES turn with you. If you hold your arms out and do a gentle pirouette then the shadow does a nice pirouette too. If you lean your head forward and squint down your nose, you can see the shadow of your nose on the ground and this turns round with you too. The shadow isn't like you are used to though. When you are walking along you see this strange two-dimensional creature round your feet and you can't stop treading on it. You feel kind of cruel :-) I have walked along a crowed street in Kuala Lumpur with the sun at 89 deg 35' studying the feet of other pedestrians. Everyone had this curious two-dimensional companion and I was the only person who realised just what fun this was! There are two down-sides to all this fun: First, it will probably be very hot! [Readers may ponder why :-)] Secondly, if you should look up, you see this fiery object directly overhead and this has a strange psychological effect. You wonder what stops it falling on your head. Have fun in the sun! Frank H. King Cambridge, UK --- https://lists.uni-koeln.de/mailman/listinfo/sundial --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: Success!!
Hi Karon, To see how a stone-mason / letter cutter is working see the youtube movie http://www.youtube.com/watch?v=1vvrcGm9vX8 To see the sundials he has cut in stone in my region see on my website http://www.wijzerweb.be/geusens.html Click on the thumbnail-pictures to enlarge. The language is Dutch but the images speak for themselves. Willy Leenders Hasselt in Flanders (Belgium) Visit my website about the sundials in the province of Limburg (Flanders) with a section 'worth knowing about sundials' (mostly in Dutch): http://www.wijzerweb.be Op 26-jul-2011, om 23:22 heeft karon het volgende geschreven: Ok, I made my first practical dial using JUST protractor, straight edge and compass. NO SOFTWARE! (except online to triple check Longitude and latitudeG) I even made adjustment for longitude. Lo and behold, it WORKED! Still had to add 1 hour to compensate for daylight savings time but, other than that, it was watch accurate! WOOHOO! So, now I understand the geometric relationships that create the hour lines relative to the gnomon. Now I need to learn how to calculate the declination lines. That is my next hurdle. Meanwhile, I will be playing with making nicer looking dials of wood and, perhaps, stone. I am going to be looking for nice stone I can use to make dial faces. For those who work in stone, what tools do you usually use to cut and etch in stone? Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial --- https://lists.uni-koeln.de/mailman/listinfo/sundial
SV: facebook, anyone?
Tough question: What is Facebook (FB) really like? I guess it depends on how you use it. Some put lots of personal views on FB, I don't. Some tells where they are (@Ibiza for the next few weeks), I might tell you I just had a great time somewhere but after returning. You can play games at FB and you'll get game related messages from your friends. These posts can be hidden if you don't want them. You can also ignore comments friends (haven't tried that yet so I'm not sure how it works) and do other personal adjustments on what you want to see. I have too many friends to keep track of all that is happening, but I get notifications when there are postings in the groups I'm in. If you want to make sure to get my attention at FB you'll need to send me a message. My personal posts are not many, are general comments on something (as It is realy summer when the temperature outside is higher than inside which is not often at 70 degrees north). Comments on my interrests (needlework, astronomy,...) I post in other fora (as this list). But that is how I use FB. And: all my personal posts are in Norwegian unless there is something specially aimed at my non Norwegian friens. The Science Centre where I work (being the northernmost in the world :-) have a FB page and part of my job is posting there. We use it for short info on what is happening at the science centre. http://www.facebook.com/home.php#!/pages/Nordnorsk-vitensenter/154811990350 Not sure if you can see it if you don't have an FB account, and it is in Norwegian, sorry. We're discussing starting an English page, but that might take a while. And I'm sure there are ways of using FB that I have not explored. The advantage of FB to this list is that you can share photos. I don't think that makes FB an alternative to this list as I believe a more interest spesific forum is better for that than FB. One note on the power of Facebook if you like: One Norwegian guy (don't recall his name) made a post on FB suggesting to have a memory parade at 18.00 in Oslo on Monday (the Norwegian word is fakkeltog , no idea if there is an English word cowering that), in the memory of the victims of the bombing in Oslo and the massacre at Utøya. This spread through FB, the media picked up on it, and more than 100.000 people gathered in Oslo for a rose parade (roses were replacing the torches). There were gatherings all over Norway at the same time. This would not have been possible to arrange in such a short time without FB. So: FB can be good or bad, it depends on how you use it. Best AnneB -Opprinnelig melding- Fra: R Wall [mailto:maill...@virginbroadband.com.au] Sendt: 27. juli 2011 10:47 Til: r...@infraroth.de; Bruvold Anne; arch...@charter.net; sundial@uni-koeln.de Emne: Re: facebook, anyone? Hi all, A long time ago I remember hearing bad reports about Facebook. I then decided that Facebook was a place I wouldn't go to. I note now that a lot of companies are on Facebook and people are even moving away from Yahoo groups to Facebook. I'm interested in technical talk but not sure about social talk. Can someone please tell me what Facebook is really like? Regards, Roderick Wall. -Original Message- From: r...@infraroth.de Sent: Wednesday, July 27, 2011 6:08 PM To: anne.bruv...@nordnorsk.vitensenter.no ; arch...@charter.net ; sundial@uni-koeln.de Subject: Re: SV: facebook, anyone? Yes, as AnneB stated, the Facebook group is something separate to this sundial mailing list. I don't want to cancel this valuable list. And this medium has still a lot of advantages compared to a group on a social platform. Best regards - - Daniel, sundial mailing list - Original Message - From: anne.bruv...@nordnorsk.vitensenter.no To: arch...@charter.net, sundial@uni-koeln.de Date: 27.07.2011 09:54:45 Subject: SV: facebook, anyone? Don't worry, Facebook will only be an addition to this list - at least for me as I not allways check the groups I attend at Facebook. Best AnneB Fra: Archie Kregear [mailto:arch...@charter.net] Sendt: 26. juli 2011 19:37 Til: Bruvold Anne Emne: RE: facebook, anyone? My vote is a big NO to moving this to Facebook. Messages to groups on facebook send me an e-mail... so we can skip the facebook step and keep our messages more pure than becoming filled with advertisements. Just my opinion. Archie Kregear p.s. I have a facebook account and if you wish to be my friend there, add me. -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bruvold Anne Sent: Tuesday, July 26, 2011 2:51 AM To: sundial@uni-koeln.de; ka...@karonadams.com Subject: SV: facebook, anyone? What about making a Sundial group or page at facebook? AnneB Tromsø, Norway Fra: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] På vegne av karon
RE: Longitudinal shift?
That sounds like what I did. I live in Chattanooga. That is 85 degrees longitude. So, 10 degrees off the median. So, I shifted the dial by 10 degrees and it worked! I figured it out by looking at Shadows. (thanks again, BTW for that program!!) with construction lines in I looked at the dial made normally, then, I looked at it with the longitude correction. It took about two seconds to see what the program had done. Then it was just finding out by how much I needed to change it. So, now I have another question. Where, within a time zone in the US, is the Solar time correct? Is it at the front of the time zone or the center? If the entire zone is 15 degrees, I would never want to offset 10 degrees if the prime is in the middle. But, if it is in the front, that works. Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com From: Donald Christensen [mailto:dchristensen...@gmail.com] Sent: Tuesday, July 26, 2011 10:04 PM To: ka...@karonadams.com Subject: Re: Longitudinal shift? Karon You may be right. I'm not sure what you're asking I'll tell you what I do. I'm in Brisbane australia. Our prime meridian is 150 The town I live in is 147. Therefore my longitude correction is 3 degrees Donald On Tue, Jul 26, 2011 at 11:43 PM, karon ka...@karonadams.com wrote: Do I have this correct? In order to correct for longitude, you determine the degrees from the prime meridian of your time zone. Then, offset the 15 degree hour angle from the center of the top circle. Your first angle is offset from that to mark noon at equinox, then, the rest of your angles are marked at 15 degrees from that mark in both directions, creating non marks on the equinox all the way across. From there, you simply move back to marking your lines from the noon equinox mark to the CBA point and these are your hour lines. Do I have this correct? Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com http://www.yellowribbonrosaries.com/ --- https://lists.uni-koeln.de/mailman/listinfo/sundial -- Cheers Donald 0423 102 090 This e-mail is privileged and confidential. If you are not the intended recipient please delete the message and notify the sender. Un-authorized use of this email is subject to penalty of law. So there! --- https://lists.uni-koeln.de/mailman/listinfo/sundial
RE: SV: facebook, anyone?
It absolutely does. I was thinking, though, that Facebook could bring in new dialers, though I know some folks would disapprove of that. and it would also allow us a place to post pics of our dials to show one another. Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of r...@infraroth.de Sent: Wednesday, July 27, 2011 4:09 AM To: anne.bruv...@nordnorsk.vitensenter.no; arch...@charter.net; sundial@uni- koeln.de Subject: Re: SV: facebook, anyone? Yes, as AnneB stated, the Facebook group is something separate to this sundial mailing list. I don't want to cancel this valuable list. And this medium has still a lot of advantages compared to a group on a social platform. Best regards - - Daniel, sundial mailing list - Original Message - From: anne.bruv...@nordnorsk.vitensenter.no To: arch...@charter.net, sundial@uni-koeln.de Date: 27.07.2011 09:54:45 Subject: SV: facebook, anyone? Don't worry, Facebook will only be an addition to this list - at least for me as I not allways check the groups I attend at Facebook. Best AnneB Fra: Archie Kregear [mailto:arch...@charter.net] Sendt: 26. juli 2011 19:37 Til: Bruvold Anne Emne: RE: facebook, anyone? My vote is a big NO to moving this to Facebook. Messages to groups on facebook send me an e-mail... so we can skip the facebook step and keep our messages more pure than becoming filled with advertisements. Just my opinion. Archie Kregear p.s. I have a facebook account and if you wish to be my friend there, add me. -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bruvold Anne Sent: Tuesday, July 26, 2011 2:51 AM To: sundial@uni-koeln.de; ka...@karonadams.com Subject: SV: facebook, anyone? What about making a Sundial group or page at facebook? AnneB Tromsø, Norway Fra: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] På vegne av karon Sendt: 25. juli 2011 15:31 Til: 'Sundial List' Emne: facebook, anyone? Are folks here using facebook? That would seem not only a great way to find one another, other than this targeted, topic driven list, but also a great place to post pictures of work as well as work in progress. For anyone interested, please feel free to send me a friend request mentioning dials to http://www.facebook.com/YellowRibbonRosaries Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial --- https://lists.uni-koeln.de/mailman/listinfo/sundial --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: Longitudinal shift?
Karon, In contrast to my principle that sundials should indicate solar time, I still help you. You made a sundial for solar time and shifted the hour lines 10 degrees for longitude correction. That is only correct for an equatorial sundial. For an horizontal sundial at your location (35 °N, 85° W) the correction for Daylight Saving Time is: rotation of the hour line 12 - 11,79° 13 - 11,61° 14 - 12,54° 15 - 14, 87° 16 - 19,11° etc. Willy Leenders Hasselt in Flanders (Belgium) Visit my website about the sundials in the province of Limburg (Flanders) with a section 'worth knowing about sundials' (mostly in Dutch): http://www.wijzerweb.be Op 27-jul-2011, om 13:33 heeft karon het volgende geschreven: That sounds like what I did. I live in Chattanooga. That is 85 degrees longitude. So, 10 degrees off the median. So, I shifted the dial by 10 degrees and it worked! I figured it out by looking at Shadows. (thanks again, BTW for that program!!) with construction lines in I looked at the dial made normally, then, I looked at it with the longitude correction. It took about two seconds to see what the program had done. Then it was just finding out by how much I needed to change it. So, now I have another question. Where, within a time zone in the US, is the Solar time correct? Is it at the front of the time zone or the center? If the entire zone is 15 degrees, I would never want to offset 10 degrees if the prime is in the middle. But, if it is in the front, that works. Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com From: Donald Christensen [mailto:dchristensen...@gmail.com] Sent: Tuesday, July 26, 2011 10:04 PM To: ka...@karonadams.com Subject: Re: Longitudinal shift? Karon You may be right. I'm not sure what you're asking I'll tell you what I do. I'm in Brisbane australia. Our prime meridian is 150 The town I live in is 147. Therefore my longitude correction is 3 degrees Donald On Tue, Jul 26, 2011 at 11:43 PM, karon ka...@karonadams.com wrote: Do I have this correct? In order to correct for longitude, you determine the degrees from the prime meridian of your time zone. Then, offset the 15 degree hour angle from the center of the top circle. Your first angle is offset from that to mark noon at equinox, then, the rest of your angles are marked at 15 degrees from that mark in both directions, creating non marks on the equinox all the way across. From there, you simply move back to marking your lines from the noon equinox mark to the CBA point and these are your hour lines. Do I have this correct? Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial -- Cheers Donald 0423 102 090 This e-mail is privileged and confidential. If you are not the intended recipient please delete the message and notify the sender. Un-authorized use of this email is subject to penalty of law. So there! --- https://lists.uni-koeln.de/mailman/listinfo/sundial --- https://lists.uni-koeln.de/mailman/listinfo/sundial
RE: special events
Hi Frank and Brent, I seem to remember hearing about a sun well or tube in the tropics. The sun only shone right down it at midday when it was directly overhead. I'm not sure if it had any other special name. Best wishes, Jackie Jackie Jones 50° 50 09 N.0° 07 40 W. www.silversundials.co.uk www.sundialglass.wordpress.com -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Frank King Sent: 27 July 2011 10:54 To: bren...@verizon.net Cc: Sundial List Subject: Re: special events Dear Brent, You note: The people who live in the tropics have another special event, when the sun is directly over their latitude. This is not quite true unless you go to an enormous amount of trouble. If you live in the tropics, what normally happens is that the sun crosses to the south of where you live one day and crosses to the north the next. Or, of course, the other way round. To experience the sun directly overhead requires careful planning. You have to match your latitude to the declination of the sun AND be at the right spot at the moment of solar transit. I have tried this a number of times and the best I have managed is a solar altitude of 89 deg. 59' 59.8. Since the diameter of the sun is about half a degree you don't have to be as close as that to have at least part of the sun directly overhead. David Patte comments: they sure don't get much of a shadow at noon on that day :) NO, NO, NO!!! Just go and try it. The shadows are much more interesting than you would expect... Normally, your shadow extends outwards from your feet and if you turn round your shadow doesn't turn with you. When the sun is directly overhead, your shadow DOES turn with you. If you hold your arms out and do a gentle pirouette then the shadow does a nice pirouette too. If you lean your head forward and squint down your nose, you can see the shadow of your nose on the ground and this turns round with you too. The shadow isn't like you are used to though. When you are walking along you see this strange two-dimensional creature round your feet and you can't stop treading on it. You feel kind of cruel :-) I have walked along a crowed street in Kuala Lumpur with the sun at 89 deg 35' studying the feet of other pedestrians. Everyone had this curious two-dimensional companion and I was the only person who realised just what fun this was! There are two down-sides to all this fun: First, it will probably be very hot! [Readers may ponder why :-)] Secondly, if you should look up, you see this fiery object directly overhead and this has a strange psychological effect. You wonder what stops it falling on your head. Have fun in the sun! Frank H. King Cambridge, UK --- https://lists.uni-koeln.de/mailman/listinfo/sundial --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: Longitudinal shift?
Karon, Your question: Where, within a time zone in the US, is the Solar time correct To me solartime is Local Solartime and that is independant from the time zones. It is always correct. And Willy Leenders loves it. It is the natural time with noon always at 12. (Have in mind that 1 hour solartime is not always of equal length. Our hours from the clock are always equal but solartime is not. Therefore we need to know about the equation of time but that is another discussion.) On the internet I foud for Chattanooga standard timezone -5 hours, relative to Greenwich. So the standard meridian for your timezone is 5 x 15 = 75 degrees West. Chattanooga is about at 85 degrees West so you are about 10 degrees West of your standard meridian. That is 40 minutes in time. This is more then the theoretical borders of a time zone. These theoretical bordes are + 7.5 and - 7.5 degrees of the timezone meridian. But in practice the timezone borders are choosen different. (Most political reasons?) They don't follow straight meridian lines on our maps. Try to find a timezone map on the internet. During Daylight Saving Time your standard meridian is 60 degrees and you are 10 + 15 = 25 degrees West of your standard meridian. That is 1 hour and 40 minutes. Willy read in your mail that you rotated the sundial pattern itself. That is not correct. You should rotate the construction hourcircle with hourlines 15 degees apart with the appropriate longitude offset. I recommand to take look at the website of De Zonnewijzerkring. (The Sundial Society of The Netherlands.) Addres below. The site is in English as well. You may find several helpfull articles there. E.g.: Article of the month Archives 2005 Month 05-09, septmber. There you will find a costruction of a combination of three dials: horizontal, equatoral and vertical. If you rotate the equatorial pattern with hourlines of 15 degrees apart according to the longitude offset you directly can see how the hourlines on a horizontal or vertical dial will change. ( They don't rotate al together.) Best wishes, Fer. Fer J. de Vries De Zonnewijzerkring http://www.de-zonnewijzerkring.nl Molens http://www.collsemolen.dse.nl Eindhoven, Netherlands lat. 51:30 N long. 5:30 E - Original Message - From: karon To: 'Donald Christensen' ; sundial@uni-koeln.de Sent: Wednesday, July 27, 2011 1:33 PM Subject: RE: Longitudinal shift? That sounds like what I did. I live in Chattanooga. That is 85 degrees longitude. So, 10 degrees off the median. So, I shifted the dial by 10 degrees and it worked! I figured it out by looking at Shadows. (thanks again, BTW for that program!!) with construction lines in I looked at the dial made normally, then, I looked at it with the longitude correction. It took about two seconds to see what the program had done. Then it was just finding out by how much I needed to change it. So, now I have another question. Where, within a time zone in the US, is the Solar time correct? Is it at the front of the time zone or the center? If the entire zone is 15 degrees, I would never want to offset 10 degrees if the prime is in the middle. But, if it is in the front, that works. Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com From: Donald Christensen [mailto:dchristensen...@gmail.com] Sent: Tuesday, July 26, 2011 10:04 PM To: ka...@karonadams.com Subject: Re: Longitudinal shift? Karon You may be right. I'm not sure what you're asking I'll tell you what I do. I'm in Brisbane australia. Our prime meridian is 150 The town I live in is 147. Therefore my longitude correction is 3 degrees Donald On Tue, Jul 26, 2011 at 11:43 PM, karon ka...@karonadams.com wrote: Do I have this correct? In order to correct for longitude, you determine the degrees from the prime meridian of your time zone. Then, offset the 15 degree hour angle from the center of the top circle. Your first angle is offset from that to mark noon at equinox, then, the rest of your angles are marked at 15 degrees from that mark in both directions, creating non marks on the equinox all the way across. From there, you simply move back to marking your lines from the noon equinox mark to the CBA point and these are your hour lines. Do I have this correct? Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial -- Cheers Donald 0423 102 090 This e-mail is privileged and confidential. If you are not the intended recipient please delete the message and notify the sender. Un-authorized
RE: facebook, anyone?
I have no time for Facebook or Twitter. Its hard enough to keep up with email! John Carmichael From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bruvold Anne Sent: Wednesday, July 27, 2011 12:55 AM To: Archie Kregear; sundial@uni-koeln.de Subject: SV: facebook, anyone? Don't worry, Facebook will only be an addition to this list - at least for me as I not allways check the groups I attend at Facebook. Best AnneB _ Fra: Archie Kregear [mailto:arch...@charter.net] Sendt: 26. juli 2011 19:37 Til: Bruvold Anne Emne: RE: facebook, anyone? My vote is a big NO to moving this to Facebook. Messages to groups on facebook send me an e-mail... so we can skip the facebook step and keep our messages more pure than becoming filled with advertisements. Just my opinion. Archie Kregear p.s. I have a facebook account and if you wish to be my friend there, add me. -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Bruvold Anne Sent: Tuesday, July 26, 2011 2:51 AM To: sundial@uni-koeln.de; ka...@karonadams.com Subject: SV: facebook, anyone? What about making a Sundial group or page at facebook? AnneB Tromsø, Norway _ Fra: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] På vegne av karon Sendt: 25. juli 2011 15:31 Til: 'Sundial List' Emne: facebook, anyone? Are folks here using facebook? That would seem not only a great way to find one another, other than this targeted, topic driven list, but also a great place to post pictures of work as well as work in progress. For anyone interested, please feel free to send me a friend request mentioning dials to http://www.facebook.com/YellowRibbonRosaries Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial
RE: Longitudinal shift?
I understand the concept that solar time is correct time and I understand the feeling that solar time is the only correct time. However, from a practical standpoint, a sundial is only a lovely ornament if you miss an appointment because you insist it is 40 minutes earlier than your doctor say it is. What I want to do is make a beautiful, accurate piece of art that is useful and accurate as well as being as true to the ancient arts as possible. But, the reality is, we must live in the world and that means living by arbitrary standard times. That also means that every place has a slightly different sundial design to show the correct time. As incorrect as that may seem, as un natural as many would argue, it is a fact of life just as are death and taxes. In the US, time zones are approximated on certain longitudes but they also follow certain political lines. They roughly follow straight vertical lines but the actual places are the lines of counties. In my case, I live in Hamilton County Tennessee. The next when you cross the county line to the West, you are in Central time. So, if generally follows the longitude as far as the large picture of the entire country. but, if you drew and perfectly vertical line from pole to pole, the line would not be perfectly accurate because of the political lines of county boundaries. Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com From: fer de vries [mailto:ferdevr...@onsneteindhoven.nl] Sent: Wednesday, July 27, 2011 9:36 AM To: ka...@karonadams.com; 'Donald Christensen'; sundial@uni-koeln.de Subject: Re: Longitudinal shift? Karon, Your question: Where, within a time zone in the US, is the Solar time correct To me solartime is Local Solartime and that is independant from the time zones. It is always correct. And Willy Leenders loves it. It is the natural time with noon always at 12. (Have in mind that 1 hour solartime is not always of equal length. Our hours from the clock are always equal but solartime is not. Therefore we need to know about the equation of time but that is another discussion.) On the internet I foud for Chattanooga standard timezone -5 hours, relative to Greenwich. So the standard meridian for your timezone is 5 x 15 = 75 degrees West. Chattanooga is about at 85 degrees West so you are about 10 degrees West of your standard meridian. That is 40 minutes in time. This is more then the theoretical borders of a time zone. These theoretical bordes are + 7.5 and - 7.5 degrees of the timezone meridian. But in practice the timezone borders are choosen different. (Most political reasons?) They don't follow straight meridian lines on our maps. Try to find a timezone map on the internet. During Daylight Saving Time your standard meridian is 60 degrees and you are 10 + 15 = 25 degrees West of your standard meridian. That is 1 hour and 40 minutes. Willy read in your mail that you rotated the sundial pattern itself. That is not correct. You should rotate the construction hourcircle with hourlines 15 degees apart with the appropriate longitude offset. I recommand to take look at the website of De Zonnewijzerkring. (The Sundial Society of The Netherlands.) Addres below. The site is in English as well. You may find several helpfull articles there. E.g.: Article of the month Archives 2005 Month 05-09, septmber. There you will find a costruction of a combination of three dials: horizontal, equatoral and vertical. If you rotate the equatorial pattern with hourlines of 15 degrees apart according to the longitude offset you directly can see how the hourlines on a horizontal or vertical dial will change. ( They don't rotate al together.) Best wishes, Fer. Fer J. de Vries De Zonnewijzerkring http://www.de-zonnewijzerkring.nl Molens http://www.collsemolen.dse.nl Eindhoven, Netherlands lat. 51:30 N long. 5:30 E - Original Message - From: karon mailto:ka...@karonadams.com To: 'Donald Christensen' mailto:dchristensen...@gmail.com ; sundial@uni-koeln.de Sent: Wednesday, July 27, 2011 1:33 PM Subject: RE: Longitudinal shift? That sounds like what I did. I live in Chattanooga. That is 85 degrees longitude. So, 10 degrees off the median. So, I shifted the dial by 10 degrees and it worked! I figured it out by looking at Shadows. (thanks again, BTW for that program!!) with construction lines in I looked at the dial made normally, then, I looked at it with the longitude correction. It took about two seconds to see what the program had done. Then it was just finding out by how much I needed to change it. So, now I have another question. Where, within a time zone in the US, is the Solar time correct? Is it at the front of the time zone or the center? If the entire zone is 15 degrees, I would never want to offset 10
Longitudinal shift, another way
OK, instead of making a sundial specifically for my longitude, why not make a regular, solar time correct sundial, with noon straight up. Instead of using a triangle style, use a post at the height of the top of the style. Then, if you move, so long as you are at the same latitude, the dial can be adjusted, up to 15 degrees either direction, to accommodate for longitude if you want. If you move to a different latitude, you can also replace the pole with a shorter or taller post. I was thinking of this because of a friend of mine. She is shortly to marry and I thought of making her a sundial. Problem is, her fiancée is in the military. This will, of course, be requiring many, many moves on her part. So I was trying to find a way to make a sundial she could take where ever they were assigned and still have it accurate. Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: Longitudinal shift, another way
Create a uniquely crafted armillary sphere for your friend! It could pack in a table lamp sized box for those many moves. It can be truly universal and can be installed and adjusted for any location. The only tricky part would be if they were to be stationed on the southern hemisphere. You'd need to include two hour rings... Dave Sent from my iPhone On Jul 27, 2011, at 4:24 PM, karon ka...@karonadams.com wrote: OK, instead of making a sundial specifically for my longitude, why not make a regular, solar time correct sundial, with noon straight up. Instead of using a triangle style, use a post at the height of the top of the style. Then, if you move, so long as you are at the same latitude, the dial can be adjusted, up to 15 degrees either direction, to accommodate for longitude if you want. If you move to a different latitude, you can also replace the pole with a shorter or taller post. I was thinking of this because of a friend of mine. She is shortly to marry and I thought of making her a sundial. Problem is, her fiancée is in the military. This will, of course, be requiring many, many moves on her part. So I was trying to find a way to make a sundial she could take where ever they were assigned and still have it accurate. Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial --- https://lists.uni-koeln.de/mailman/listinfo/sundial
RE: Longitudinal shift, another way
Simplest dial of all to understand its a space-frame model of the Earth _ From: karon [mailto:ka...@karonadams.com] Sent: Wednesday, July 27, 2011 5:06 PM To: 'David Bell' Cc: sundial@uni-koeln.de Subject: RE: Longitudinal shift, another way DARN IT! now I have to learn how to make THOSE! I was JUST starting to understand horizontals and declinations and suchG Well, another gauntlet tossed down! Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com From: David Bell [mailto:db...@thebells.net] Sent: Wednesday, July 27, 2011 7:34 PM To: ka...@karonadams.com Cc: sundial@uni-koeln.de Subject: Re: Longitudinal shift, another way Create a uniquely crafted armillary sphere for your friend! It could pack in a table lamp sized box for those many moves. It can be truly universal and can be installed and adjusted for any location. The only tricky part would be if they were to be stationed on the southern hemisphere. You'd need to include two hour rings... Dave Sent from my iPhone On Jul 27, 2011, at 4:24 PM, karon ka...@karonadams.com wrote: OK, instead of making a sundial specifically for my longitude, why not make a regular, solar time correct sundial, with noon straight up. Instead of using a triangle style, use a post at the height of the top of the style. Then, if you move, so long as you are at the same latitude, the dial can be adjusted, up to 15 degrees either direction, to accommodate for longitude if you want. If you move to a different latitude, you can also replace the pole with a shorter or taller post. I was thinking of this because of a friend of mine. She is shortly to marry and I thought of making her a sundial. Problem is, her fiancée is in the military. This will, of course, be requiring many, many moves on her part. So I was trying to find a way to make a sundial she could take where ever they were assigned and still have it accurate. Karon Adams Accredited Jewelry Professional (GIA) You can send a free Rosary to a soldier! www.facebook.com/MilitaryRosary www.YellowRibbonRosaries.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: Longitudinal shift, another way
An armillary sphere can be used in either hemisphere. The only issue is that the hour numbers, if written with their base lines along the equatorial ring, will be upside down, but you could provide numbers facing both ways, one set either side of the centre of the hour band. Or, you could turn the numerals 90 degrees or even, as I did for an equatorial dial I made for Singapore, use non-numeric pips, as on playing cards, that can be read either way up. Chris - Original Message - From: David Bell To: ka...@karonadams.com Cc: sundial@uni-koeln.de Sent: Thursday, July 28, 2011 12:33 AM Subject: Re: Longitudinal shift, another way Create a uniquely crafted armillary sphere for your friend! It could pack in a table lamp sized box for those many moves. It can be truly universal and can be installed and adjusted for any location. The only tricky part would be if they were to be stationed on the southern hemisphere. You'd need to include two hour rings... Dave --- https://lists.uni-koeln.de/mailman/listinfo/sundial
RE: Longitudinal shift, another way
Ah - of course! Mount the ring in reverse, and the numbers go the other way 'round. _ From: Chris Lusby Taylor [mailto:clusbytay...@enterprise.net] Sent: Wednesday, July 27, 2011 6:10 PM To: David Bell; ka...@karonadams.com Cc: sundial@uni-koeln.de Subject: Re: Longitudinal shift, another way An armillary sphere can be used in either hemisphere. The only issue is that the hour numbers, if written with their base lines along the equatorial ring, will be upside down, but you could provide numbers facing both ways, one set either side of the centre of the hour band. Or, you could turn the numerals 90 degrees or even, as I did for an equatorial dial I made for Singapore, use non-numeric pips, as on playing cards, that can be read either way up. Chris - Original Message - From: David Bell mailto:db...@thebells.net To: ka...@karonadams.com Cc: mailto:sundial@uni-koeln.de%3e sundial@uni-koeln.de Sent: Thursday, July 28, 2011 12:33 AM Subject: Re: Longitudinal shift, another way Create a uniquely crafted armillary sphere for your friend! It could pack in a table lamp sized box for those many moves. It can be truly universal and can be installed and adjusted for any location. The only tricky part would be if they were to be stationed on the southern hemisphere. You'd need to include two hour rings... Dave --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: Longitudinal shift, another way
I bought such a sundial at a garden shop in Holland many years ago. When I got it home, I realized that it was designed for the southern hemisphere. Why it was being sold in Holland is a mystery. Probably for the same reason that a stationery store in Fredericton sold an atomic clock that could only receive the time signals from the German longwave station, well out of range of Canada! But the sundial is still usable if one installs the equatorial band upside down and stands on one's head to read it. ;-) -- Richard Langley Quoting Chris Lusby Taylor clusbytay...@enterprise.net: An armillary sphere can be used in either hemisphere. The only issue is that the hour numbers, if written with their base lines along the equatorial ring, will be upside down, but you could provide numbers facing both ways, one set either side of the centre of the hour band. Or, you could turn the numerals 90 degrees or even, as I did for an equatorial dial I made for Singapore, use non-numeric pips, as on playing cards, that can be read either way up. Chris - Original Message - From: David Bell To: ka...@karonadams.com Cc: sundial@uni-koeln.de Sent: Thursday, July 28, 2011 12:33 AM Subject: Re: Longitudinal shift, another way Create a uniquely crafted armillary sphere for your friend! It could pack in a table lamp sized box for those many moves. It can be truly universal and can be installed and adjusted for any location. The only tricky part would be if they were to be stationed on the southern hemisphere. You'd need to include two hour rings... Dave - | Richard B. LangleyE-mail: l...@unb.ca | | Geodetic Research Laboratory Web: http://www.unb.ca/GGE/ | | Dept. of Geodesy and Geomatics EngineeringPhone:+1 506 453-5142 | | University of New Brunswick Fax: +1 506 453-4943 | | Fredericton, N.B., Canada E3B 5A3| |Fredericton? Where's that? See: http://www.fredericton.ca/ | - --- https://lists.uni-koeln.de/mailman/listinfo/sundial
RE: special events
Hi everyone, Just for your information, there is a mystery novel written by Ramona Maher, SECRET OF THE SUNDIAL, 1966 which takes place in El Paso, Texas. She describes an event in her story called: “Festival of the Shadowless moment” which takes place across the border in Juares, Mexico on June 21 when the sun is directly overhead. A vertical stick will cast no shadow. Of course Juares, Mexico is not far enough south to be true. Apparently the author had an interest in sundials and incorporated it into a story about some teenagers discovering sundials. Writer’s license I guess. Everything else in the book was correct, her descriptions how sundials work and terminology used. A lot of detail about the steps involved in making a vertical sundial for a fiction book. Ken Clark Elizabethtown, PA “Learn about a fascinating hobby and with a little math, design and make your own sundial” KRC --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: Longitudinal shift, another way
The triangle on the horizontal sundial is parallel to the earth axis. The horizontal face is flat on the ground (or pedistal) and not in line with the axis A horiz dial will work on any lattitude in the same hemisphere (otherwise the numbers are backwards) as long as the triangle gnomen is inline with the earth axis. This means that the dial face must sit on a wedge to make this happen. Donald On 7/28/11, Richard B. Langley l...@unb.ca wrote: I bought such a sundial at a garden shop in Holland many years ago. When I got it home, I realized that it was designed for the southern hemisphere. Why it was being sold in Holland is a mystery. Probably for the same reason that a stationery store in Fredericton sold an atomic clock that could only receive the time signals from the German longwave station, well out of range of Canada! But the sundial is still usable if one installs the equatorial band upside down and stands on one's head to read it. ;-) -- Richard Langley Quoting Chris Lusby Taylor clusbytay...@enterprise.net: An armillary sphere can be used in either hemisphere. The only issue is that the hour numbers, if written with their base lines along the equatorial ring, will be upside down, but you could provide numbers facing both ways, one set either side of the centre of the hour band. Or, you could turn the numerals 90 degrees or even, as I did for an equatorial dial I made for Singapore, use non-numeric pips, as on playing cards, that can be read either way up. Chris - Original Message - From: David Bell To: ka...@karonadams.com Cc: sundial@uni-koeln.de Sent: Thursday, July 28, 2011 12:33 AM Subject: Re: Longitudinal shift, another way Create a uniquely crafted armillary sphere for your friend! It could pack in a table lamp sized box for those many moves. It can be truly universal and can be installed and adjusted for any location. The only tricky part would be if they were to be stationed on the southern hemisphere. You'd need to include two hour rings... Dave - | Richard B. LangleyE-mail: l...@unb.ca | | Geodetic Research Laboratory Web: http://www.unb.ca/GGE/ | | Dept. of Geodesy and Geomatics EngineeringPhone:+1 506 453-5142 | | University of New Brunswick Fax: +1 506 453-4943 | | Fredericton, N.B., Canada E3B 5A3 | |Fredericton? Where's that? See: http://www.fredericton.ca/ | - --- https://lists.uni-koeln.de/mailman/listinfo/sundial -- Cheers Donald 0423 102 090 This e-mail is privileged and confidential. If you are not the intended recipient please delete the message and notify the sender. Un-authorized use of this email is subject to penalty of law. So there! --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: Longitudinal shift, another way
The triangle on the horizontal sundial is parallel to the earth axis. The horizontal face is flat on the ground (or pedistal) and not in line with the axis A horiz dial will work on any lattitude in the same hemisphere (otherwise the numbers are backwards) as long as the triangle gnomen is inline with the earth axis. This means that the dial face must sit on a wedge to make this happen. Donald On 7/28/11, Donald Christensen dchristensen...@gmail.com wrote: The triangle on the horizontal sundial is parallel to the earth axis. The horizontal face is flat on the ground (or pedistal) and not in line with the axis A horiz dial will work on any lattitude in the same hemisphere (otherwise the numbers are backwards) as long as the triangle gnomen is inline with the earth axis. This means that the dial face must sit on a wedge to make this happen. Donald On 7/28/11, Richard B. Langley l...@unb.ca wrote: I bought such a sundial at a garden shop in Holland many years ago. When I got it home, I realized that it was designed for the southern hemisphere. Why it was being sold in Holland is a mystery. Probably for the same reason that a stationery store in Fredericton sold an atomic clock that could only receive the time signals from the German longwave station, well out of range of Canada! But the sundial is still usable if one installs the equatorial band upside down and stands on one's head to read it. ;-) -- Richard Langley Quoting Chris Lusby Taylor clusbytay...@enterprise.net: An armillary sphere can be used in either hemisphere. The only issue is that the hour numbers, if written with their base lines along the equatorial ring, will be upside down, but you could provide numbers facing both ways, one set either side of the centre of the hour band. Or, you could turn the numerals 90 degrees or even, as I did for an equatorial dial I made for Singapore, use non-numeric pips, as on playing cards, that can be read either way up. Chris - Original Message - From: David Bell To: ka...@karonadams.com Cc: sundial@uni-koeln.de Sent: Thursday, July 28, 2011 12:33 AM Subject: Re: Longitudinal shift, another way Create a uniquely crafted armillary sphere for your friend! It could pack in a table lamp sized box for those many moves. It can be truly universal and can be installed and adjusted for any location. The only tricky part would be if they were to be stationed on the southern hemisphere. You'd need to include two hour rings... Dave - | Richard B. LangleyE-mail: l...@unb.ca | | Geodetic Research Laboratory Web: http://www.unb.ca/GGE/ | | Dept. of Geodesy and Geomatics EngineeringPhone:+1 506 453-5142 | | University of New Brunswick Fax: +1 506 453-4943 | | Fredericton, N.B., Canada E3B 5A3 | |Fredericton? Where's that? See: http://www.fredericton.ca/ | - --- https://lists.uni-koeln.de/mailman/listinfo/sundial -- Cheers Donald 0423 102 090 This e-mail is privileged and confidential. If you are not the intended recipient please delete the message and notify the sender. Un-authorized use of this email is subject to penalty of law. So there! -- Cheers Donald 0423 102 090 This e-mail is privileged and confidential. If you are not the intended recipient please delete the message and notify the sender. Un-authorized use of this email is subject to penalty of law. So there! --- https://lists.uni-koeln.de/mailman/listinfo/sundial
Re: facebook, anyone?
MessageGood afternoon, Please count me out of any sundial group on Facebook. I do NOT want to be anyone's friend on Facebook. It's not that the people on this list are really great: well-mannered, considered replies to all sorts of questions from basic to arcane, informative, argumentative, helpful, ... You know what I mean. I consider you my extended sundial virtual friends, because you are at the other end of my keyboard via email. Simple, list-wide or personal, and SAFE. From everything I've seen and heard, Facebook is nothing short of toxic. Any program that by default invites any email contact to become a friend is a gross invasion of my privacy. Any program that doesn't allow you to delete information is to be avoided like the plague. Why give any information to Zuckerberg and Facebook so they can on-sell it for targeted advertising? Sorry folks, count me well and truly out, John John Pickard john.pick...@bigpond.com --- https://lists.uni-koeln.de/mailman/listinfo/sundial
