Re: A sundial in Seville

2024-03-22 Thread Patrick Powers via sundial
Diese Nachricht wurde eingewickelt um DMARC-kompatibel zu sein. Die eigentliche Nachricht steht dadurch in einem Anhang. This message was wrapped to be DMARC compliant. The actual message text is therefore in an attachment.--- Begin Message --- Plaza de America. 

Frank Cheney

2023-04-19 Thread Patrick Vyvyan
Probably the same person? Best wishes, Patrick Vyvyan <https://www.avast.com/sig-email?utm_medium=email_source=link_campaign=sig-email_content=webmail> Libre de virus.www.avast.com <https://www.avast.com/sig-email?utm_medium=email_source=link_campaign=sig-email_content=webmail> <

Re: Sundial in walking stick

2023-04-02 Thread Patrick Vyvyan
Rather curious to know what it makes finally, from what I can see it looks to be a modern novelty very similar to this one currently out of stock on the Internet https://www.alibaba.com/product-detail/Vintage-Brass-and-Wood-Sundial-Compass_1006081836.html Best wishes to all, Patrick Vyvyan

Francis West and Sons

2022-09-24 Thread Patrick Powers
help. Patrick Powers--- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: What's the inner scale on this photo for?

2021-10-25 Thread Patrick Vyvyan
I'm afraid I can't give you any answers , but the original is in the Science Museum, London. They don't give any clues either, but I guess you could contact them https://collection.sciencemuseumgroup.org.uk/objects/co143/azimuth-sun-dial-simple-azimuth-sundial Best wishes, Patrick Vyvyan On Mon

Re: What accuracy to aim for with a carefully made sundial?

2019-07-30 Thread Patrick Vyvyan
ually very confusing! Another solution, used on heliochronometers, is to allow the dial to rotate against a scale marked with the appropriate Analemma offsets according to the date. Best wishes, Patrick On Tue, 30 Jul 2019 at 14:40, wrote: > Hi Steve, > > as I built a large one (h

Re: Can a sundial disprove Flat Earth?

2019-06-17 Thread Patrick Powers
Hello Not sure about doing this with only one sundial but you can (apparently) with two. See SunInfo (www.bit.ly/suninfo) look down the middle column to eight entries down for a light blue box entitled “Using two sundials to destroy the idea of a flat earth!!” Patrick From: Dan-George

Re: Wheatstone's polarizing sundial

2019-05-21 Thread Patrick Vyvyan
sunlight. Best wishes, Patrick Vyvyan On Tue, 21 May 2019 at 16:07, Maes, F.W. wrote: > Recently the Tesseract Catalogue 109 was announced on this list. Item nr. > 13 is a polarizing sundial by Charles Wheatstone. A virtually identical > dial is in the collection of the Greenwich mus

short BBC video

2019-03-31 Thread Patrick Vyvyan
Enjoyable short video 3 minutes, featuring Adrian Rodriguez Cozzani which may be of interest: https://www.bbc.com/reel/video/p074qwm6/the-guardian-of-the-sands-of-time --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Pope Sabinian

2018-11-07 Thread Patrick Powers
dia Britannica. 23 (11th ed.). Cambridge University Press. p. 966. -- Patrick From: Darek Oczki Sent: Wednesday, November 07, 2018 10:26 AM To: sundial@uni-koeln.de Subject: Pope Sabinian Hello All, We often read that Pope Sabinian (Sabinianus) edicted an order to

Re: Accuracy of wristwatch as compass

2018-10-22 Thread Patrick Vyvyan
it, you might enjoy a glance at Malcolm Barnfield's article *The Sundial goes to War * http://www.sundials.co.za/THE%20SUNDIAL%20GOES%20TO%20WAR%20web.pdf Best wishes, Patrick Vyvyan On Mon, 22 Oct 2018 at 14:09, fabio.sav...@nonvedolora.it < fabio.sav...@nonvedolora.it> wrote: >

BST/GMT

2018-08-31 Thread Patrick Powers
The history is well summarised here http://www.bbc.com/future/story/20160310-the-builder-who-changed-how-the-world-keeps-time From: Douglas Bateman via sundial Sent: Friday, August 31, 2018 4:40 PM To: Frank King Cc: Sundial list Diese Nachricht wurde eingewickelt um DMARC-kompatibel zu

Re: Dickens' sundial

2018-07-21 Thread Patrick Vyvyan
by the writer. Best wishes, Patrick Vyvyan On 21 July 2018 at 04:21, Ian Maddocks wrote: > Hello Diallists > > > Whilst trawling Instagram #sundial i found this, asking for info about a > dial once belonging to Charles Dickens. Can anyone help them? > > There's a drawi

A missing sundial with a twist

2018-07-10 Thread Patrick Powers
rare. If interested there is more about this intriguing puzzle at www.bit.ly/suninfo. Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Another gnomon teaser?

2018-01-18 Thread Patrick Powers
– not least because the answer is also affected by the time of day as well as by the gnomon’s shape. See the picture for just two examples. Has anyone ever devised an easy way by which to get a better estimate of the displayed time than the centre of the shadow in such cases? Patrick

Re: Hemicyclium correction

2017-10-22 Thread Patrick Powers
today. My sincere apologies to Frans! Patrick From: Patrick Powers Sent: Sunday, October 22, 2017 12:40 PM To: Brad Thayer ; sundial@uni-koeln.de Subject: Re: Hemicyclium correction Hi Brad Further to your interest in an hemicyclium you might like to know of this link to the former webpages

Re: Hemicyclium correction

2017-10-22 Thread Patrick Powers
it useful – or at least interesting! http://www.fransmaes.nl/zonnewijzers/downloads/hemisph.htm Good luck Patrick From: Brad Thayer Sent: Monday, October 16, 2017 1:48 PM To: sundial@uni-koeln.de Subject: Hemicyclium correction I am looking to make a hemicyclium-type sundial (half

Great Circle Studio Solar Calculator - again!

2017-10-16 Thread Patrick Powers
Hello to all those interested in the currently defunct Great Circle software. I have managed to make contact with the designer of the Great Circle Studio Solar Calculator and mentioned that it does not seem to work. His reply tonight tonight is: - Hi Patrick, Thank you for your e-mail. I'm

Re: Great Circle Studios webpage gone?

2017-10-12 Thread Patrick Powers
I believe that Great Circle is indeed no longer available. It disappeared once before only to return some time later so maybe there is some hope? In the meantime there is another, broadly similar resource which is at http://midcdmz.nrel.gov/solpos/spa.html Anybody know others? Patrick From

Re: Sundials in Belgrade / Novi Sad

2017-09-26 Thread Patrick Vyvyan
this is of interest, best wishes, Patrick *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 26 September 2017 at 03:42, Dan-George Uza <cerculdest...@gmail.com> wrote: > Hello, > > I will be travelling to Belgrade and Novi Sad next week. Can you recommend &

Re: Impact of making instruments out of boxwood

2017-09-07 Thread Patrick Vyvyan
century. In the latter case, this would suggest the woodland was managed, presumably factoring in supply and demand. Best wishes to all, Patrick *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 7 September 2017 at 04:55, Patrick Powers <patrick_pow...@compuserve.com>

Re: Impact of making instruments out of boxwood

2017-09-07 Thread Patrick Powers
that the population of England in Tudor times was only about 4 million, having risen from 2 million not long before, so demand for things made of box would surely have been quite low. Patrick From: John Pickard Sent: Thursday, September 07, 2017 2:25 AM To: Sundial List Subject: Impact

Re: How to save a sundial?

2017-08-24 Thread Patrick Vyvyan
pe of work. Best wishes, Patrick *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 24 August 2017 at 16:14, Dan-George Uza <cerculdest...@gmail.com> wrote: > Hello, > > There's a sundial on a ruined building which is going to be torn down > soon. We are t

Re: a strange sundial

2017-08-18 Thread Patrick Powers
Hi Willy, Here is another example of the reason why surrounding a dial with vertical, numbered, hour posts is not always a good thing! Patrick--- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Barrington Court multi-face dial

2017-08-13 Thread Patrick Vyvyan
a very firm earlier provenance, perhaps both are late Victorian/Edwardian? I had a very quick glance at the Scottish chapter in The Book of Sun Dials by Mrs Alfred Gatty (1900 revised edition) but didn't see anything relevant. Best wishes to all, Patrick Vyvyan (also a bit of a radio ham, CD2PIH

Sundials that come with 'baggage'.

2017-06-20 Thread Patrick Powers
? and why were the declination lines not restored too?, all come to mind. Patrick Powers --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Looking for minutes and seconds correction for whole year for Equation of Time plaque

2017-04-30 Thread Patrick
You could also try http://ppowers.com/EoT.htm Patrick Sent from my iPhone > On 30 Apr 2017, at 09:51, César Busto <cbus...@gmail.com> wrote: > > Hi Clark, > > The Solar Info android app provides the EqT value at all times and also > generates the EqT curve at 1

Fwd: Spackman, Green, and Cole

2017-04-06 Thread Patrick Vyvyan
title may of course be a PhD, it's worth checking if he was simply a medical doctor. See: http://www.southampton.ac.uk/archives/cataloguedatabases/ webguidemss75.page Best wishes, Patrick *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 6 April 2017 at 05:08, Wolfgang R

Re: Dial face colouration

2017-02-26 Thread Patrick Vyvyan
be worth examining as an ideal tone for a sundial? *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 26 February 2017 at 12:08, John Lynes <jly...@iee.org> wrote: > There is no single optimum reflectance for a flat dial face. Obviously > under dim sunlight

Re: Genuine or not?

2017-02-20 Thread Patrick Vyvyan
Compass doesn't look quite right - if it's German I might expect East to be written as Ost. *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 20 February 2017 at 12:22, Michael Ossipoff <email9648...@gmail.com> wrote: > It doesn't seem genuine to me. > >

Re: Unusual bi-annual sundial

2017-01-21 Thread Patrick Powers
in this link: http://www.isisinform.com/category/memorials/anthem-veterans-memorial/ Regards Patrick From: Frank King Sent: Saturday, January 21, 2017 2:59 PM To: Geoff Thurston Cc: John Goodman ; Sundial List Subject: Re: Unusual bi-annual sundial Mime-Version: 1.0 Content-Type: text/plain

Re: Unusual bi-annual sundial

2017-01-19 Thread Patrick Powers
John, There is also this that describes (a little) the thinking that was behind the way they attempted to accommodate the small changes that still occur year to year. http://www.onlineatanthem.com/news/memorial-science Patrick From: John Goodman Sent: Thursday, January 19, 2017 5:01 PM

Re: Astrolabes

2016-12-22 Thread Patrick Vyvyan
! Patrick *Patrick Vyvyan* *Presidente* *Corporación Cultural de Putaendo* On 22 December 2016 at 09:24, Dan-George Uza <cerculdest...@gmail.com> wrote: > Dear group, > > While visiting the Barcelona CosmoCaixa this spring I saw a wonderful > looking astrolabe on disp

Re: Solar Declination

2016-10-25 Thread Patrick Powers
this just say. Regards Patrick From: Dan-George Uza Sent: Tuesday, October 25, 2016 5:38 PM To: sundial@uni-koeln.de Subject: Solar Declination Hello, Can you provide a free accurate spreadsheet for the calculation of daily solar declination across a leap year as well as non-leap year? Thanks

Re: Using linkages to draw curves on sundials

2016-09-07 Thread Patrick Powers
Hi John, Would you include Nomography in such a study? After all nomograms might (just) be considered as mechanical devices Patrick From: John Pickard Sent: Wednesday, September 07, 2016 1:14 AM To: Sundial List Subject: Using linkages to draw curves on sundials Good morning, While

Re unreadable dials

2016-04-26 Thread Patrick Powers
the historical background to this interesting practice. Patrick--- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Sundials with Greek alphabetical numerals

2016-04-15 Thread Patrick Powers
‘Of the Year’) but I don’t think that applies here! The dial’s date is thought to be 1835 but I have not found a reference that translates what is on the dial into 1835. Maybe this dial uses some sort of pseudo-Greek! Regards Patrick From: Dan-George Uza Sent: Friday, April 15, 2016 8:50 AM

Re: Painted dial

2015-05-08 Thread Patrick Powers
. Regards Patrick From: Jackie Jones Sent: Friday, May 08, 2015 5:46 PM To: sundial@uni-koeln.de Subject: Painted dial Dear All, I have been asked to do a painted dial for a south facing wall. Due to lots of reasons, I am going to paint it on board and then screw it onto the wall when

Re: New York Times article on Flower Clocks

2015-01-29 Thread Patrick Powers
5pm Evening Primrose opens 6pm It all seems a lot of work for just a few weeks of operation, the need for a pond for the water lily and to say nothing of the risk from growing bind weed! Patrick From: Robert Terwilliger Sent: Thursday, January 29, 2015 11:30 AM To: sundial@uni-koeln.de Subject

Re: CORRECTIONS Extensions to A few new Tables for the Gnomonist...

2014-06-12 Thread Patrick Powers
be the best option! Regards Patrick From: Kevin Karney Sent: Thursday, June 12, 2014 6:12 PM To: Sundial Subject: CORRECTIONS Extensions to A few new Tables for the Gnomonist... Dear Friends Thanks for the positive comments! And thanks to Gianni Ferrari, Patrick Powers, Edward French and Jack

Re: Gnomonics and building code

2014-06-03 Thread Patrick
buildings Guides • CIBSE SLL Daylighting and window design LG10 1999 • BRE Designing buildings for daylight. • BRE Designing with innovative daylighting Regards Patrick Sent from my iPhone On 3 Jun 2014, at 12:09, ml...@interia.pl wrote: Dear Diallists, I’m currently preparing

Re: The GPS zero meridian club

2014-04-30 Thread Patrick Powers
Meridian Club’ are chasers after ephemera. They will need to keep coming back every few years simply to catch up... Patrick From: Ian Maddocks Sent: Wednesday, April 30, 2014 6:14 PM To: Douglas Bateman ; Sundial list Subject: RE: The GPS zero meridian club Hi Doug Well there's already

Re: Sundials in (or near to) Dubai

2014-01-25 Thread Patrick Powers
that was designed for the dial by Christopher Daniel. The same picture may be seen in Christopher’s Collection at http://bit.ly/cstjhdaniel. Patrick Powers From: Gianni Ferrari Sent: Saturday, January 25, 2014 12:09 PM To: Thibaud Taudin Chabot ; Len Berggren Cc: LISTA INGLESE Subject: Re

Re: Fwd: [HASTRO-L] Uncovering ancient Rome

2013-12-21 Thread Patrick Powers
That is excellent. Much more believable than the shadow hypothesis (to me anyway) and in keeping with what a number of others say about the ‘operation’ of many Megalithic structures too. Thanks for that Patrick From: Gianni Ferrari Sent: Saturday, December 21, 2013 9:17 AM To: LISTA INGLESE

Re: Dominical Letter

2013-11-27 Thread Patrick Powers
Malzeard, where he had been curate, and had erected the dial recorded above. Mr. Lunn states that a much older dial of stone (without the style) Was discovered at Marton, and he has had it built inside the vestry amongst other old remains. Itis possibly of twelfth century date. Regards Patrick

The Christoper Daniel Collection

2013-09-26 Thread Patrick Powers
that the Collection forms a remarkable study of the life and times of a remarkable man. Patrick Powers--- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: The most 'successful' sundial business - now, or in the past ?

2012-07-04 Thread Patrick Powers
actually make a living from such things. They may well (as I do) design dials as a side line but I would never be able to make a family business from them... I wish your son well. Regards Patrick Now, the mechanism by which a business works is that it PersonallyA successful business is one

Re: Sundials and tower clocks

2012-05-13 Thread Patrick Powers
very much the fashion in the UK in the 1700s and 1800s. Regards Patrick From: John Foad Sent: Sunday, May 13, 2012 9:37 AM To: Darek Oczki ; sundial@uni-koeln.de Subject: Re: Sundials and tower clocks Dear Darek, I think there are many examples to document the use of dials to set the clock

Re: sundials and tower clocks

2012-05-13 Thread Patrick Powers
Hi Rheinhold, Amazing. I have been to Venice several times and have never seen it. Indeed this has to be as you say ‘the most visited and least noticed sundial in the world’! I shall most certainly look out for it when I go again! Thank you very much for that. Patrick From: Reinhold

Re: Star maps

2012-01-16 Thread Patrick Powers
Here’s one to start with http://itunes.apple.com/gb/app/goskywatch-planetarium-astronomy/id284980812?mt=8 It does need to be able to determine your location so make sure GPS is turned on or you may think it’s useless! From: Douglas Bateman Sent: Monday, January 16, 2012 4:58 PM To: sundial

Re: Proceedings for Future of UTC meeting

2011-12-23 Thread Patrick Powers
that requires the entire world to be taught it consequences. Patrick From: John Pickard Sent: Friday, December 23, 2011 8:38 PM To: Frank King Cc: sundial@uni-koeln.de Subject: Re: Proceedings for Future of UTC meeting Good morning Frank, In the spirit of Christmas, I offer the following apocryphal

Re: Sundial cartoon

2011-11-11 Thread Patrick Powers
Hi Mac, There was this from John Carmichael to this list in 2007. It has several on the same theme though I don’t think the actual one you mention. http://www.mail-archive.com/sundial@uni-koeln.de/msg13231.html Patrick From: Mac Oglesby Sent: Saturday, November 12, 2011 1:39 AM To: Sundial

Re: BBC bans The B.C. and A.D.

2011-10-06 Thread Patrick Powers
of this BBC 'ban'... -- Barry On 5 Oct 2011, at 21:22, Patrick Powers wrote: John was correct to mention this and the matter is gathering pace. See this from a UK broadsheet that even sees a recent Archbishop of Canterbury and now the Vatican as well as established BBC presenters up in arms

Re: BBC bans The B.C. and A.D.

2011-10-05 Thread Patrick Powers
, to quote Jane Austen’s excellent turn of phrase, to a ‘needless precipitance’ to use such terms in science. Patrick From: Tony Finch Sent: Thursday, September 29, 2011 10:43 AM To: John Carmichael Cc: sundial@uni-koeln.de Subject: Re: BBC bans The B.C. and A.D. John Carmichael jlcarmich

Re: sundial read from moonlight

2011-07-31 Thread Patrick Powers
time may still be quite inaccurate! The moon’s motion is much more complicated than can be described by a few simple integers. Patrick From: Donald Christensen Sent: Sunday, July 31, 2011 1:14 AM To: f.w.m...@rug.nl Cc: sundial@uni-koeln.de Subject: Re: sundial read from moonlight Sorry I

Sundial read from moonlight

2011-07-31 Thread Patrick Powers
time may still be quite inaccurate! The moon’s motion is much more complicated than can be described by a few simple integers. Patrick From: Donald Christensen Sent: Sunday, July 31, 2011 1:14 AM To: f.w.m...@rug.nl Cc: sundial@uni-koeln.de Subject: Re: sundial read from moonlight Sorry I

Re: How to force spreadsheet to create printable graph with same scalein X and Y?

2011-06-22 Thread Patrick Powers
tips and tricks... Regards Patrick From: Steve Lelievre Sent: Wednesday, June 22, 2011 12:29 AM To: Sundial List Subject: How to force spreadsheet to create printable graph with same scalein X and Y? Hi, I sometimes use a spreadsheet to calculate a series of X,Y points, and then use

Re: 9/11 'sundial' memorial

2011-05-18 Thread Patrick Powers
for several years and of course in the united joy that came with the eventual liberation. For those who might wish to learn more, there is more about the Guernsey Liberation Monument at: http://www.astronomy.org.gg/liberation.htm Regards Patrick From: Fred Sawyer Sent: Wednesday, May 18, 2011 7:46 PM

Fw: Are there any commercially-available 'Teaching Sundials', for schools ?

2011-04-23 Thread Patrick Powers
Setting aside the matter of Educational Authorities who cannot think (!), I also agree that you might like to give this another go in order to allow the Authority to think again. There is another type of dial you might try on them – one that can also be painted on the ground and where the

Re: Are there any commercially-available 'Teaching Sundials', for schools ?

2011-04-22 Thread Patrick Powers
Millennium Green, Poplar, London E14 at this URL: http://www.ppowers.com/poplar.htm Patrick From: Martina Addiscott Sent: Friday, April 22, 2011 12:19 PM To: sundial@uni-koeln.de Subject: Are there any commercially-available 'Teaching Sundials',for schools ? Is anyone aware of a commercially

Re: varying speed?

2011-03-25 Thread Patrick Powers
/ssbarycenter.html which well shows the effects of the different planetary influences on the sun’s barycentre. Patrick From: Kevin Karney Sent: Friday, March 25, 2011 8:16 PM To: Marcelo Cc: Sundial List Subject: Re: varying speed? Marcelo Nothing is constant in the heavens

Re: bad sundials

2011-03-12 Thread Patrick Powers
no professional indemnity insurance the submission of the working model can be used to secure acceptance of the design (and hence limit the risk for the designer) without the expense of professional insurance. Patrick From: Brent Sent: Saturday, March 12, 2011 7:39 PM To: Sundial List Subject: bad

Re: Where are the women?

2011-03-10 Thread Patrick Powers
Well, just doing a simple count of those who title themselves Mrs, Miss and Ms (That is to say ignoring those ladies who title themselves Dr and Prof, Rev etc) in the BSS Members list of a few months ago we have 46. That’s about 10% of the membership. Patrick

antikythera mechanism

2010-12-11 Thread PATRICK O'HEARN
For those who are familiar with the Antikythera mechanism, here is a link to a you tube clip of a working modelmade out of legos...truly an amazing construction. Now, for a lego sundial?http://blog.makezine.com/archive/2010/12/lego_antikythera_mechanism.html EnjoyPat O'HearnWashington,

Nasa website

2009-12-20 Thread PATRICK O'HEARN
Hello All, May I recommend to everyone today's (12/20/09) astronomy picture of the day at http://apod.nasa.gov/apod/. Turkish photographers have taken a beautiful analemma which includes a total eclipse of the sun. I know many list members already visit the site regularly but, for those that

Solstice Picture

2009-06-26 Thread PATRICK O'HEARN
Hello All, Those that dont visit NASA's astronomy picture of the day website http://apod.nasa.gov/apod/astropix.html may enjoy todays (June 26) picture. It is a composite of the suns path from winter to summer solstice taken with a pinhole camera at Ondrejov Observatory in the Czech

International Sundial Trail Competition

2009-05-14 Thread Patrick Powers
on the BSS website. Have your camera with you this summer and let us have details of your trails... Patrick Powers Piers Nicholson For and on behalf of BSS Internetworks Ltd, who are the webmasters of www.sundials.co.uk --- https://lists.uni-koeln.de

2009 EofT ON A MAC

2009-04-22 Thread Patrick Powers
an Excel spreadsheet that uses Smart's approach as per Meeus and which can compute the figures for any other year. Just say if you would like that. Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Baldwin Solar Chart

2009-03-16 Thread Patrick Powers
have a request from Jürgen Giesen - who wrote the NASS Current Solar Data Java applet. He is seeking information about the Baldwin Solar chart. There is also this PDF of an article that mentions the Baldwin Solar Chart and a simplification of it. Might it be of interest? Patrick http

Re: Earliest Roman Dial

2009-03-13 Thread Patrick Powers
dials there at that time even if none have yet been found. All very puzzling. Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

.Re: Variation in Sun's declination

2009-02-27 Thread Patrick Powers
that the majority of the differences that you are seeing are connected with estimates made for different times of day or are ones using averages over four years - or both!. If you are looking for higher accuracy then I'd choose a calculator that permits input of both date and time. Regards Patrick

Re: Earliest Dial

2009-02-21 Thread Patrick Powers
The dial SRN0818 referred to by Patrick Powers as being a Roman dial at the famous Vindolanda Roman site at Bardon Mill, Cumbria, close to Hadrian's Wall, is not a Roman dial but a more recent conventional garden dial. Frank is right! The one recorded by BSS as being near to or in Vindolanda

Re: Is this thing a sundial?

2009-02-17 Thread Patrick Powers
. There is a little more at: http://www7.nationalacademies.org/arts/Kirkland_Needle.html where it says it is 'not a specific scientific device' Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Earliest UK Sundial

2009-02-16 Thread Patrick Powers
and that must be presumed to be in its original location too. Hadrian's Wall was begun in AD 122 and mostly (amazingly!) completed in six years so we might even be brave enough to give the Vindolanda dial that sort of date! Regards Patrick

Sundial Day

2009-01-01 Thread PATRICK O'HEARN
and neighbors stop and notice the humble dial is to be appreciated.Sincerely,Patrick O'HearnAnacortes, Washington, USA --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Short of ideas for Christmas?

2008-12-14 Thread Patrick Powers
with details of how to join. The British Sundial Society will even let you send in your own gift card which they will then send to the recipient for you along with Membership details. Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Leap second is back

2008-12-10 Thread Patrick Powers
few years to keep our closks in synchronism with solar time.. Ah well, pedantry is a good thing sometimes Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Unknown Solar device

2008-09-11 Thread Patrick Powers
), the one in the Greenwich Observatory too, both have a time scale of 12 to 12. Before I have to set to and make one of these 'replicas' to discover the truth (!), can anyone tell me if there an explanation for this difference between the two designs? Regards Patrick

'Folded' Gnomon Declining dials?

2008-09-11 Thread Patrick Powers
as 'professional' designers? The Seville dial and the one known in the UK may be seen at http://tinyurl.com/4x24my Many thanks for any comments Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Mac sundial design program

2008-09-02 Thread Patrick Powers
spreadsheet or one of the other spreadsheets that are available on the Illustrating Shadows web site at: http://www.illustratingshadows.com/index-free-suppl-xls.html Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Unknown solar device?

2008-09-02 Thread Patrick Powers
. Many thanks Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Equation Editor Software

2008-06-20 Thread Patrick Powers
We might be being a little unfair to Microsoft by assuming that the oddities with equations are 'all their fault'. The following Wikipedia article gives quite a good explanation of the problem and the companies involved. http://en.wikipedia.org/wiki/Equation_Editor

Stainless Steel

2008-04-23 Thread Patrick Powers
surface colour. Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Easter Algorithm

2008-03-15 Thread Patrick Powers
: Ash Wednesday 6 February 2008 Palm Sunday 16 March 2008 Good Friday 21 March 2008 Easter Day 23 March 2008 Ascension Day 1 May 2008 Pentecost 11 May 2008 Trinity Sunday 18 May 2008 Advent Sunday 30 November 2008 Patrick ___ Here's the algorithm that I think is used

Re: Scratch dials - Ethelbert Horne.

2008-03-09 Thread Patrick Powers
them of which three are doubtful. The named churches with dials in Bath are Claverton, Dunkerton, Englishcombe, Hinton Charterhouse, Langridge, Swainswick and Wellow. There is stated to be an upside down dial at Dunkerton. Bath isn't even mentioned in the Index. Regards Patrick

RE: Monumental Sundial

2008-02-18 Thread Patrick Powers
easier! If you are designing a dial with a cylindrical gnomon, just ignore refraction is my advice!! Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Monumental Sundial

2008-02-12 Thread Patrick Powers
as a corruption of God's Port; the name given to it by the then Bishop of Winchester, Henry of Blois, as he sailed into its harbour in 1144. So maybe that's quite appropriate! Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Monumental sundial

2008-02-12 Thread Patrick Powers
of the past and we tend to take them for granted until others mention them!. Sorry I cannot be of more help. Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

RE: Monumental Sundial

2008-02-11 Thread Patrick Powers
. There are several dials there, you will need to scroll down to find the dial called 'The Millennium Timespace at Gosport'. Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Google Earth Image

2008-02-10 Thread Patrick Powers
checked it. Interesting, because when setting out true North (it had to be done in November!) I was only able to get one measurement for N-S in the two days that I was there and then only for less than a minute! Very lucky! Thanks for raising that interesting point. Patrick

FW: Shadow Tapering

2008-02-09 Thread Patrick Powers
with tubular gnomons can in fact be remarkably accurate and their timescales can be predictably calculated too. Regards Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

RE: Shadow Tapering

2008-02-09 Thread Patrick Powers
what day that photo was taken - though I haven't done so yet. (If anyone wants to try, the gnomon length was such that the shadow on the summer solstice just touches the outer diameter of the chapter ring which is just inside the 'mini-stonehenge' like stone circle). Regards Patrick

Re: Google Earth Image

2008-02-09 Thread Patrick Powers
, this is a 12m diameter dial. I shall send you offlist a PDF of two pictures John - it's a tad large to send to the list. Regards Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: declination of sirius

2007-11-02 Thread Patrick Powers
are (nearly!) always the best...If it aint broke and all that...LOL. Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

A New UK Noon mark

2007-06-26 Thread Patrick Powers
Members of the list might be interested to hear of a new Noon mark in Leicestershire UK. Go to: http://tinyurl.com/22t6x3 And No, it has not yet been recorded for the BSS Register! Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Plaster Wall Sundials?

2007-05-29 Thread Patrick Powers
rather more than you wished to know! http://www.eastherts.gov.uk/index.jsp?articleid=2576 http://www.1911encyclopedia.org/Plaster-work Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

[Fwd: Re: Canted Dials]

2007-04-30 Thread Patrick Powers
would be very welcome. Patrick ---BeginMessage--- Frank King wrote: Incidentally, I am amazed that there are as few as 16 dials recorded with appreciable cant. Hi Frank, We actually know (currently) of 326 canted dials. The number 16 referred to the number of dials designed as declining

Re: Canted Dials

2007-04-30 Thread Patrick Powers
with such a memorial being raised 260 years after his death. Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Canted Dials

2007-04-30 Thread Patrick Powers
transmitted by the UK TV stations today but it certainly was very condemning. 34,000 hours of recorded transcripts. No wonder that MI5 and MI6 cost us all here a fortune g. Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: strange longitude

2007-04-26 Thread Patrick Powers
to plan and do given that Hawkshead is close to the place in the UK with the highest rainfall!!) Patrick --- https://lists.uni-koeln.de/mailman/listinfo/sundial

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