Re: DMARC Wrapping.

Daniel, I think that now would be an appropriate time to thank you for the Sundial Mailing List, and for the wide-ranging resources page that you also keep online. I don't know how long you have maintained the SML, but I know that I have been a member of it since the 1990s, and it has been a

Re: EU backs ending Daylight Saving Time

Hello Steve, Florida recently passed a measure that, if approved by the US Congress, would put the state on DST all year round! They want more daylight for the tourists in the winter time. I guess it's all depends on how you look at it. I try not to fret about it, except to do my best to keep

A sundial in a commercial ad?

Hello All, Lately I have been seeing an ad on TV that I thought you might find interesting. I think there is a very large sundial featured in the ad, which is for suntan lotion and shows skateboarders around (and on!!!) what appears to be a very large seaside gnomon.but I don't recognize it.

Summer Solstice in Florence

Hello All, This morning I saw an article online about the upcoming summer solstice that may be of interest: https://www.thelocal.it/20180606/florence-duomo-gnomon-summer-solstice Get your sundial prototypes ready to test, it won't be long before the special moment comes! ⁣Best, Jim Tallman

RE: A cost-benefit look at daylight saving

Hello All, Currently there are two states in the USA that I know of that are actively pursuing DST all year long, which in essence, would be like moving each of them to the next time zone to the east. In Florida, the bill has passed both houses of the legislature and is currently

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

I use the Android app "Solar Coordinates" sometimes, it's worth a look and also free. ⁣Best, Jim Tallman Artisan Industrials www.artisanindustrials.com www.spectrasundial.com jtall...@artisanindustrials.com 513-253-5497 This message is being sent remotely as I am currently out of the studio.

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

Hi Ken, I use the 4 year average values from Waugh. When I originally designed the Spectra in 2001 that was the best resource available to me, but there are many applications now that you can use to check the values. Orologi Solari is very good for lots of reasons, and I use Shadows as well.

An interesting piece of timekeeping

It is not a sundial, but interesting nonetheless: http://www.ablogtowatch.com/vacheron-constantin-les-cabinotiers-celestia-astronomical-grand-complication-3600-watch/ It is quite a feast for the eyes, and the mind...and if you have a spare million lying around, it could be yours! ⁣Best, Jim

Sundials on the radio in the UK

Hello All, The British Sundial Society just had their annual conference, and on the BSS website there are a couple of new conference related postings which may be of interest. Our friend and intrepid sundial enthusiast Mike Shaw was interviewed on the radio as part of the lead up to the

Sundial making workshop this summer

Hello All, This upcoming sundial workshop may interest some of you - especially those who live in New England: http://carvingstudio.org/event/new-make-your-own-sundial-august-2-3/ Best, Jim Tallman http://www.spectrasundial.com www.spectrasundial.com

Windows upgrade and older sundial programs

Hello All, A previous thread discussed the issues with some of the older sundial programs on 64 bit Windows computers, but does anyone know for sure whether Dialist Companion will run on Windows 7 32 bit version? I need to upgrade some of the older computers on my network since Windows XP will

Oklahoma State sundial

Hello All, Occasionally I work on larger sundials, and a couple of years ago I designed a large glass sundial for a new research center building at Oklahoma State University. It was nearly 6’ x 9’ in size, a glass sundial to be mounted on the curtain wall on the south façade of the building. I

Aussie hours til sunset dial

Hello All, I got a link today from a Spectra owner about a really big sundial project near him, and I thought some of you might be interested: http://hourstosunset.com/ Here is a pic that shows the aperture nodus:

RE: Interactive Science: The Human Sundial | Scholastic.com

To: J. Tallman Cc: Sundial Mailing List; frank.k...@cl.cam.ac.uk Subject: Re: Interactive Science: The Human Sundial | Scholastic.com Dear Jim, This is a good read... http://www.scholastic.com/teachers/top-teaching/2012/10/interactive-science- hum an-sundial I note that the first instruction

Interactive Science: The Human Sundial | Scholastic.com

Hello All, Based on recent discussions, here is something some of you might be interested in. It looks like analemmatic sundials are becoming more well known as valuable curriculum for school children, in spite of the institutional concerns we have heard about!

RE: Re: new app Sol Et Umbra for Android

Hello All, Sun Surveyor was developed to help photographers plan location shoots and predict the position of the sun at their location. That is why the graphical interface is the way it is, and also why it is keyed to the compass the way it is. The “Golden Hour” and other times of the day

Re: Off topic but well worth sharing

Bravo from America...thank you Tony! Best, Jim Tallman www.spectrasundial.com www.artisanindustrials.com jtall...@artisanindustrials.com Tony Moss tonylindi...@talktalk.net wrote: Hi all, The List has been quiet of late so I hope you won't mind me sharing something which just 'blows

Re: Sundial found in Jamestown excavation

This is great, thanks Fred. After seeing this and also seeing so many really old dials in the BSS Bulletin it makes me wonder about a question that might make an interesting thread... What is the oldest dial in North America? Are there any unique ways that old dials here in the New World

Equinoctial vs. Equatorial

Hello, After posting a picture of a dial to the list which was shown in a horizontal attitude instead of being on an angled base as it should have been, I have a broader question to ask. What is the real difference between a dial described as equinoctial and one described as equatorial,

Sundial reference in Super Bowl commercial

Hello All, I'm not sure how many of you watched the Super Bowl yesterday, but I thought I'd write to tell you that there was a sundial reference in one of the ads - did you see it? For those of you who don't know, the Super Bowl is a big American cultural event built around a championship

Re: Google Earth Add-on

Hi Jim, In Google Earth there is a function that allows you to measure headings and distances. I don't remember what it's called, but it will give you true compass bearing of the line you draw with it. Check out the tools at the top of the GE window. I click on each end of a roof ridge, or

Alternative mapping sites

Hello All, I've received a lot of gracious help from this list over the 13+ years I have belonged to it, so when I find something I think might be useful to list members I feel compelled to contribute. I'm still looking for alternative mapping/satellite photo sites in an effort to better

An alternative mapping site

Hello All, When I make a Spectra sundial for a client, the first thing I do is go to Google Earth to get their coordinates and check the declination of their home. Usually GE is a very good resource and has all the information I need, and the nice thing is that I can then export the new

Smartphones and dialing

Hello All, I am researching new smartphones and getting ready to pick one and embark on a new contract, and I wanted to ask you all if there are any good apps that I should know about before making the choice between Iphone or Android. I have had a Windows Mobile device for years, but they

Sundials, relativity, and more

Hello All, I found a couple things this morning that some of you may find interesting...certainly if you enjoy the challenge of wrapping your mind around the concepts of solar vs. atomic time and some of the orbital effects that are discussed on the following web pages. First, here is a

Russell Porter Garden Telescopes

Hello All, Some of you may be interested in this if you have some spare change laying around: http://gardentelescopes.com/ VERY nice and currently available! Best, Jim Tallman www.artisanindustrials.com jtall...@artisanindustrials.com ---

The sundial goes to war

Hello All, Based on past discussions about sundial compasses being used in WWII, I thought some of you might enjoy this recent find which discusses the use of sundials for navigational purposes during wartime and includes pictures of several interesting devices:

Earth movements

Hello All, I just saw on the news that the recent quake in Japan shifted the earth's axis by 4 inches and that the main island of Japan moved nearly 8 feet. Could someone on the list put this into perspective? As an example, I would imagine that the legal descriptions for property lines based

RE: Sundials on Google Maps

Hello All, I also have a representation of many of the Spectra sundials I have made over the years on my web site. You can see the World of Artisan Sundials here: http://www.artisanindustrials.com/world-of-sundials/artisan-sundials-world.h tml The page requires a small Google Earth plug-in

Calculating Pi

Hello All, Some of you may be interested in this recent development: http://www.bbc.co.uk/news/technology-11313194 Best, Jim Tallman www.artisanindustrials.com jtall...@artisanindustrials.com ---

Real time Earth view

Hello All, Some of you may be interested in this: http://www.codefromthe70s.org/desktopearth_dl.aspx It is a real time desktop wallpaper view of Earth from space, built from NASA imagery. If you have the system resources on your computer to run it, it is pretty interesting to see where the

Timely links for today

Hello All, Today is a special day: http://www.piday.org/ ...and here in the US, we make the move to Daylight Saving Time today as well. I found an interesting link the other day that I thought some of you might enjoy - note how Chile is using DST to help them with their cleanup efforts:

RE: sundial on History Channel

I saw this show on TV the other night, and it was well worth it. The expert that the pawn guys called in to evaluate the dial did a good job of describing all of its features - and at the end he pulled a little piece out of the case with tweezers - it was a wind vane! I have never seen a sundial

RE: BSS home page How Sundials Work'

Thanks again Tony - and you can find a link to it already posted on my sundial links page! Best, Jim Tallman www.artisanindustrials.com jtall...@artisanindustrials.com 513-253-5497 This message is being sent remotely as I am currently away from the studio. Please excuse any further delay in

A really good sundial primer

Hello All, I have just had a visit to the BSS web site and found something that I had not seen before, and I thought many of you would also enjoy a look. Tony Moss has done it again, intrepid sundial teacher that he is...check out the new How Sundials Work page that he has put together for the

Hands on digital clock

Here is an amusing hands on digital clock that some of you may enjoy: http://www.standard-time.com/index2_en.php --- https://lists.uni-koeln.de/mailman/listinfo/sundial

A new world sundial map

Hello All, With the advent of new technologies online we dialists are presented with new opportunities and tools all the time. When I first started to make sundials many years ago I had to use printed lists and cartographic maps to determine the latitude and longitude coordinates for new

RE: Indoor sundials

Such a shame that we cannot have sundials inside. What we need is for somebody to develop a motor-driven, geared apparatus that will move an electric through a path that picks up all the relevant celestial motions. We CAN have sundials indoors, and it doesn't take gears and motors! Search

Location aerial photography online

Hello All, Every once in a while it is good to ask a question on this list about things that can change/improve over time with the progress of technology online... Whenever I get a new sundial order I usually go online to one of the mapping services to check declination and site orientation.

BBC story on mass dials

There is a sundial story on the BBC web site today: http://news.bbc.co.uk/2/hi/uk_news/scotland/edinburgh_and_east/8214948.stm It is always nice to see sundials in the mainstream news! For more information on mass dials, visit the BSS page devoted to the subject:

RE: Are there any accurate mass-produced or reproduction horizontalsundials?

Hello All, This subject is interesting to me, because it is my chosen personal gnomonic mission to make real and responsible sundials that are affordable. Many of the lower price point sundials that I see for sale locally and online have very little redeeming gnomonic value, unless as an

Interesting sundial in Japan

Hello All, Here is a dial in Japan that I thought some of you may find interesting: http://commons.wikimedia.org/wiki/File:Sundial_bunkanomori_tokushima.jpg I have seen it a couple times in the past month while casually browsing for sundial pictures, but I have never been able to find a good

Roman time

Hello, Have any of you ever seen a portable Roman sundial? I can imagine they had them, but wonder how they worked and what type of dial form they used. Were they kept by specialists or did all the men have them, and were there versions for both civil and natural time? Best, Jim Tallman

RE: Roman time

Mario, I can't help but wonder if there were ever any official sundials or other timekeeping instruments issued by the Roman army as equipment, like the swords, shields, sandals and other useful objects that were provided to the legions. It seems like the Roman army may have been interested in

RE: Greetings

Hello, Willy, my compliments on the equatorial dial you made. It is elegant in its simplicity and especially in how well you used the materials...I can appreciate the details. Leandro, I used 12 rolled c channel for the rings of an 8'-9' diameter equatorial sundial that I once made...I can

Pi Day

Happy Pi Day Everyone! http://news.bbc.co.uk/2/hi/uk_news/magazine/7296224.stm Best, Jim Tallman www.artisanindustrials.com [EMAIL PROTECTED] 513-253-5497 This message is being sent remotely as I am currently away from the studio. Please excuse any delay in further response.

RE: Monumental Sundial

Hi Chris and All, Yesterday evening I was driving south on the interstate and saw a fabulous sunset where the sun was incredibly magnified...even before it got right down on the horizon. There were thin clouds that cut the light enough for me to observe the disk, and it sure did look wide. How

Skylight Dial

Hello All, Do we know anything about this sundial? It is featured on the cover of this company's product literature: http://www.trenwyth.com/ Notice the small banner underneath the mullion that serves as the style...it is a nice detail, I thought, an inexpensive way to shape the shadow and

Non-terrestrial sundials

Hello All, Has anyone ever seen a sundial specifically designed for use on a boat or ship? I realize that there are obvious issues re: movement and variable location, but I thought it might be an interesting question for the list to consider from the historical perspective... Best, Jim

Re: mariner's time-finding instruments [was: Non-terrestrial sundials]

Thanks Sara, I thought there might be more than simple carry aboard universal dials that may have been used aboard ship in years past. Thanks for your historical perspective. Perhaps I should explain why I was thinking about this. This past Monday was Columbus Day here in the US, and on TV

More useful links for sundial enthusiasts

Hello All, Some of you may be interested to know that in addition to several of the very useful links that John just mentioned, I provide some useful ones on my web site as well. You can find them under the astronomy, sundial, and time links sections on the main Artisan links page:

Re: Sandsculpture Sundial

Chris Lusby Taylor wrote: As I recall from an article about a recent sand scupture competition in Brighton, the secret is to use river sand, not sea beach sand. It is much finer and, perhaps, its grains stick together better. Anyway, I'm pretty sure no binding agent was used there. Well,

Varying amounts of sundial correction

Hello All, As I work on several Spectra dials this week I am contemplating time correction. Exclusive of the Standard/Summer time correction, I include longitude correction when laying out my dials, and most dials range between ± 0-45 mins or so based on the offset from the reference

Re: Who said it?

Hi Tony, This comes at an interesting time: Who said/wrote: "First learn to draw well for it is an accomplishment that will not prevent you becoming a genius" Of course, I agree with this, and I did just that (the genius part is debatable). I can draw as well as I can write...and

Moon rise/set on the equinox

Hello All, A general astronomy question for the list: As I was noticing the full moon the other night, I wondered if it too rises due east and sets due west on the equinox, as the sun does. Is this the case? Best, Jim Tallman www.artisanindustrials.com [EMAIL PROTECTED]

Re: Sundial mottos for clergy

Hello, Thanks you guys for this very appropriate suggestion, and for the Latin scholarship from Willy. I appreciate the help. I have found a really good site for Bible verses and the Latin equivalents: http://www.newadvent.org/bible/mat005.htm I thought that I would suggest more than one

Sundial mottos for clergy

Hello All, I have a sundial client who is interested in commissioning a Spectra dial for the minister of their (Protestant) church. The question was asked whether there have been any classical/traditional sundial mottos, in Latin or otherwise, that have been used on church/clergy related

Google Earth

Hello all, In furtherance of recent discussions, here is something new from Google for you to check out: http://earth.google.com/index.html For a slight upcharge GPS device support can be added. Best, Jim Tallman www.artisanindustrials.com -

Handheld dialing software

Hello all, Does anyone know if any useful dialing software (for field measurements, altitude/azimuth etc) exists for use on a Palm handheld device? Best, Jim Tallman www.artisanindustrials.com [EMAIL PROTECTED] -

Rare books

Hello all, Excuse me for being a little off-topic here, but I could use some guidance from some of the scholars on this list... My Grandfather, a 96 year old former Dean and PhD in ancient and medieval history, has a significant library of very old and rare books which he has collected over

RE: Sundials in the movies

Hello all, In the Bond film GoldenEye (at 23 minutes) there is a Pilkington Gibbs heliochronometer.Strangely it's on the rail of a yacht, but I guess the set dressing people had just been told to find something scientific and brassy to put there. For a couple of frames it fills the

BBC Venus Transit Program

Hello All, I just ran across a link that I thought some of you might enjoy, talking (yes, talking!) about venus transits and some of the history associated with past events: http://www.bbc.co.uk/radio4/science/venusacrossthesun.shtml Best, Jim Tallman www.artisanindustrials.com [EMAIL

Re: Financial

Here is the article, available at the Financial Times web site: http://search.ft.com/search/article.html?id=040402005784query=sundialvsc_appId=totalSearchstate=Form http://search.ft.com/search/article.html?id=040402005784query=sundialvsc_appId=totalSearchstate=Form Jim Tallman

Sundials in Ireland

Hello All, Today I have a special link for you all in celebration of St. Patricks Day! Have a look at this Sundials in Ireland page: http://homepage.ntlworld.com/michael.j.harley/ireland.htm Take a sundial tour around the Emerald Isle on a county by county basis. M.J. Harley, a BSS member,

Re: Magnetic variation.

Here's the site I use for magnetic declination values: http://www.ngdc.noaa.gov/cgi-bin/seg/gmag/fldsnth1.pl Hope this helps, Jim Tallman www.artisanindustrials.com [EMAIL PROTECTED] -

RE: A quick check on Al-Gebra

Hi Tony, But was I right in assuming that the triangular plastic items used by 'people of both sexes who make technical drawings' in the US are known as 'triangles'? Yes you were, and yes they are. I use one every day! Jim Tallman www.artisanindustrials.com [EMAIL PROTECTED] -

An interesting time link

Despite being just a bit off-topic, here is a time link that I thought several of you might like. It is about a 10,000 year clock project. Especially interesting from the sundialing perspective are the authors comments (in the clock section of the site, under purpose) on longevity and the

Re: Sundial Carpet

I have also considered using this type of arrangement (a dot on a clear pane) for several projects in the past. I wonder just how big the dot would have to be? I assume penumbral effects would be at play, and the distance to the shadow receiving surface would probably be a factor in

Re: The Spectra sundial (Sundial Window Business)

Hello All, The method I use to get the declination was suggested to me by Dave Bell some time ago. I have designed a sheet with instructions that I e-mail to the client. He puts the sheet in the spot he wants the sundial to occupy, makes sure the sheet is level, hangs a plumb line and puts a dot

The Spectra sundial

Hello All, After a considerable amount of fiddling around, I finally have a link where you can go to see the new sundial I have been working on. Since I have asked several questions on this list during the course of this project, I thought some of you may like to see the end result of those

A new sundial

Hello All, I have completed a new commercial sundial which I have been working on for the past year and a half, a dial which I have asked questions about on this list along the way. I thought some of you might be interested in seeing the results of those discussions in tangible form. I have just

Keeping it simple

Hello All, Anselmo Prez Serrada wrote: Then I tried to explain him this curious fact by saying "Imagine you could see the Earth from the Sun: then, the Earth spins around itself not every 24h00m but every 23h56m, blah, blah, blah As the Earth's axis is tilted towards the North Star, you do not

Sundial photo shoot

Hello All, I am taking some documentary photographs of a new sundial concept and I need a little help. I recall reading several postings in the past that referred to using a point light source to simulate the sun. This would be very helpful in simulating conditions such as solstice and equinox

Re: High Noon

Mac Oglesby wrote: Now and then I run across the phrase High Noon. Can someone please tell me what that means? I didn't find it in John Davis' excellent glossary. Hi Mac, I believe that term means the time of local meridian passage, when the sun is at it's highest? Jim Tallman -

Re: Time Lapse Sundial Movie

Hi John, Funny you should mention this, as I am currently working on a time lapse movie of the new commercial sundial I have been working on. I have been experimenting with the best staging of one of my prototypes in order to get good lighting for the whole "movie", coming up with the best way

Re: difference between equinoxes and midsummer

Hello All, Willy Leenders wrote: Why (in the northern hemisphere) the time between spring equinox and summer solstice is about 1 day shorter than the time between summer solstice and autumn equinox ? Could it be said that the momentum gained from the Earth's "slingshot" around the sun carries it

Re: virus

Hello All, Apparently the virus thing is bound to pop up once in a while, and this particular alert seems to have been around for some time. Anyone who does not know how to routinely "go to the mountain" and check on the validity of this type of alert can go to the link below and read about

Re: Slopes and inclinations

Hello all, I am sorry, I must make a correction. 12/12 is the equivalent of 45...I have not had my coffee yet... I guess that is what I get for being off-topic... Jim Tallman Artisan Industrials Corp.

Re: PDF Files.

Hello Patrick, Adobe Acrobat has a component called Acrobat Distiller that does the same thing as John's program. It installs an icon in the printer directory, and when you hit print from your program you select it instead of the default system printer. Then it creates a .pdf file of whatever

Previous question...

Hello All, I guess I should have read today's list postings before I sent in my question, how surprising to find a potential solution to my problem already posted! Thanks Bill, I will try your method. I have a brand new sparkling NASS Repository disk right in front of me, since I just joined

Passage of time

Pam,I once saw a show on TV that set forth the theory that the perceived passageof time is related to the subject's rate of metabolism.Kids have a high rate of metabolism, and time seems to creep for them.As we grow older, our metabolism slows down, and time seems to

Friends in high places...

Hello All, Jack Aubert wrote: I skim over some of those articles enjoying the idea of being in the company of people who can write them and others who can grasp all the math, while pretending that I mean to re-read the articles more attentively and will be able to follow the math