RE: The utility of sundials today.

, but in the sense of the sheer enjoyment of exploring all the wonderful places where sundials can take me. Cheers, John John Pickard john.pick...@bigpond.com From: Andrew Pettit <mailto:and...@lucastes.co.uk> Sent: Tuesday, January 16, 2018 10:44 PM To: sundial@uni-koeln.de Subject: RE: The u

RE: The utility of sundials today.

of day”! For determination of time we should, perhaps, consider the Lon Now Clock. Regards Andrew Pettit From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Thibaud Taudin Chabot Sent: Monday, January 15, 2018 11:20 AM To: Sundial sundiallist Subject: Re: The utility

RE: Sundial Puzzle Corner

mplate! Am I missing something? Regards Andrew Pettit -Original Message- From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Frank King Sent: Sunday, October 30, 2016 2:37 PM To: Dave Bell; Donald L Snyder Cc: sundial@uni-koeln.de Subject: Re: Sundial Puzzle Corner

Re: A Happy Leap Year Day to everyone

On Wednesday, 24 February 2016, Fred Sawyer wrote: > Frank, > > Happy Leap Day. I have shared your Power poibt file on this with ny > daughter so she dan use it in the Latin classes she teaches. She is having > parties in each of the classes today. > > Best wishes, > > Fred

RE: due east

See also Martin Gardner - Mathematical Carnival - Ch. 17 Andrew From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Brent Sent: 15 September 2015 17:30 To: Frank Evans Cc: sundial Subject: Re: due east If I was in halifax at sunrise on the equinox and the earth stopped

RE: due east

Hello What fun! Methinks that the confusion arises because the earth is not a "plane" but a sphere. Mercator tried to project the sphere on to the plane and had curved lines of latitude. Another confusion is that there is more than one Halifax ;-) Andrew From: sundial

RE: sundial Digest, Vol 72, Issue 11

I endorse all that Mike Shaw has said. My understanding is that it's easier when trying to explain such concepts as sundials and the Equation of Time it is better to regard the Earth as stationary ~ just as the ancient astrologers did. The motion of the earth around the sun is important in

RE: AW: Year-round day saving time

I can thoroughly recommend a really good book (I'm only half way through it) that was suggested to me by another member of this list. Saving the Daylight by David Prerau. My thoughts at present are that a number of issues have really driven the widespread adoption of DST: The realization that

Hebrew Astrolabe

I found following link and the associated talk fascinating and in keeping with the rest of the series. http://www.bbc.co.uk/ahistoryoftheworld/objects/aU8eDjPFTQy35wPaAhSLGg I hope that those outside the UK are able to listen Regards Andrew Pettit

RE: Polar sundials

screen when you read this! Regards Andrew Pettit -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Tom Laidlaw Sent: 19 June 2010 06:13 To: 'sundial list' Subject: Polar sundials Hi there, I'm trying to resolve what seems like

FW: Earth Picture of the Day 26th. April 2010

Andrew Pettit ~~ e-mail: and...@lucastes.co.uk Postman Pat:3, Lucastes Road, HAYWARDS HEATH, West Sussex, RH16 1JJ ENGLAND Tel. UK:+44 (0)1444 453111

Some useful resource material

Ladies Gentlemen The following may be of interest to you ~ particularly as a resource for those who give talks. http://plus.maths.org/issue53/features/mee/index.html It addresses the very issue that led to my interest in Sundials ~ the Analemma! To my shame I have never got beyond the general

RE: Some useful resource material

Mike You make a very valid point. Andrew _ From: Mike Shaw [mailto:jmikes...@ntlworld.com] Sent: 21 December 2009 17:16 To: and...@lucastes.co.uk; sund...@rrz.uni-koeln.de Subject: Re: Some useful resource material Andrew, In the article at:

RE: BSS web site

Richard Isn't it nice to know how much you were missed when you fell ill ;~) Hope you're feeling better now. Andrew Pettit -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Richard Mallett Sent: 26 November 2009 00:20 To: John

RE: Spherical gnomon

Is this available to those who are not members of NASS? Andrew _ From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Hal Brandmaier Sent: 20 August 2009 23:30 To: sundial@uni-koeln.de Subject: FW: Spherical gnomon Please refer to my article A

RE: Build your own Cut Out Paper Vertical Sundial with google maps

incompetence so I'll be interested to read other feedback. Hope this helps as it is a novel idea. Do keep trying. Andrew Pettit -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Damia Soler Sent: 21 June 2009 16:08 To: sundial@uni-koeln.de

Re: French dam to be world´s biggest sundial

Fantastic! At 200,000 Euros is it also the world's most expensive sundial? Regards Andrew Pettit -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of robic.joel Sent: 15 June 2009 18:13 To: Sundial related list with international

RE: Solar synchronizer

a considered reply. _ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of JOHN DAVIS Sent: 15 July 2008 14:08 To: John Goodman; sundial@uni-koeln.de Subject: RE: Solar synchronizer (Andrew Pettit) Dear colleagues, You may be interested to know that the 3-D cam for the EoT

RE: Solar synchronizer

Interesting! According to the video the clock synchronises to the sun at noon on any sunny day. No mention is made of the Equation of Time correction. So it will be a curious Alice in Wonderland type clock that tells the correct time by the sun precisely once on any sunny day and the correct

Help Oscar!

About five years ago my eldest grand-daughter was given a home-work project by her teacher at a school many miles away from me in the Thames Valley England. This was in the last week of the summer term. The project consisted of a taking sheet of paper with a circle and right-angled triangle

RE: Could anyone please translate this Latin inscription, for me ?

Hmm! To paraphrase (is that the right word?) Galileo: And yet we move! Regards Andrew -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Bill Thayer Sent: 01 April 2007 18:25 To: sundial@uni-koeln.de Subject: Re: Could anyone please translate this Latin

Test

Andrew --- https://lists.uni-koeln.de/mailman/listinfo/sundial

test

Andrew --- https://lists.uni-koeln.de/mailman/listinfo/sundial

RE: Question about lunar phase and the sun's path in the sky

Could refraction by the earth's atmosphere have some relevance here? Andrew -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Greg Gómez Sent: 31 August 2006 00:15 To: sundial@uni-koeln.de Subject: Question about lunar phase and the sun's path in the sky

RE: Terminator

Another interesting site is: http://www.fourmilab.com/homeplanet/ If you haven't already come across it. Regards Andrew -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Douglas Bateman Sent: 19 March 2006 18:01 To: sundial@uni-koeln.de Subject: Terminator

Mailman

Thank you Daniel for all your help and the enjoyment you have given me in setting my options. I understand the idea of setting a preferred language ~ but you have to start off in German and progress from there. As a non-German speaker (shame on me) I used Babel-fish to translate chunks of German

RE: Wolfschmidt / Astronomy in the Classroom

Then surely you shave your beard off frequently Tony ;~) -Andrew-- -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of tony moss Sent: 16 July 2005 19:28 To: 'Sundial Mailing List' Subject: Re:

RE: Armillary Dial

I don't know whether tis is strictly "on topic" in relation to your question but on a visit to Pompeii recently I was amazed by the sundial at the Temple of Apollo. This was buried in 79AD and is far froma a "vertical obelisk type dial" A picture can be found at:

Re: Duplicate messages

I'm awaiting your second post! Regards Andrew - Original Message - From: Richard Hollands [EMAIL PROTECTED] To: Sundial Mail List sundial@rrz.uni-koeln.de Sent: Thursday, April 14, 2005 7:45 PM Subject: RE: Duplicate messages Yes and it's still happening. -Original

Re: Birthday-once more

Thank you for this comment (at end of the e-mail)- it is exactly the point that I was trying to make - though clearly not very well. The reply including: Do mojego przyjaciela Reinhold Wiele wdziecznosci za wasze zyczenia dla mojego dnia urodzeniaZ moimi lepszymi sympatiaMikolaj

Re: Birthday

But are you using the correct calendar ;~) --Andrew Pettit Original Message - From: [EMAIL PROTECTED] To: sundial@rrz.uni-koeln.de Sent: Thursday, February 19, 2004 1:33 PM Subject: Birthday Happy

Fw: Day's length

May this find more favour than my last posting regarding "The Calendar" Happy New Year to all. ------Andrew Pettit---e-mail: [EMAIL PROTECTED]Postman Pat: 3, Lucastes Road, HAYWARDS HEATH, West Sussex, RH16 1JJ, ENGLANDTel. UK

The Calendar

For those interested there was an enjoyable programme on the radio today: BBC - Radio 4 - In our Time - The Calendar To listen try: http://www.bbc.co.uk/radio4/progs/listenagain.shtml look for "In our Time". As I write you catch it simply by clicking the "listen again" button. I guess

RE: Ceiling Sundial

) -- then connect the dots. Granted this process takes six months to complete, but it would ensure that all longitude corrections are incorporated, effortlessly. --Andrew Pettit e-mail: [EMAIL PROTECTED] Postman Pat: 3

Re: Ceiling Sundial

I have seen much worthy comment on the above giving far more information than I could possibly imagine. However, and please do take this to be a constructive comment, Is it likely to have helped Judith in her quest If I have missed something then please forgive me. Regards Andrew

Re: Request for help - analemmatic dial

, we send the Plans all over the world. I hope this information is helpful - especially to ROBIN HILP. If you need more details, please E-mail (or Fax to the number below). Best regards, Douglas Hunt, Modern Sunclocks, SCOTLAND. Fax: +44 1294 552250. --Andrew

Re: Great BSS conference!

. --Andrew Pettit e-mail: [EMAIL PROTECTED] Postman Pat: 3, Lucastes Road, HAYWARDS HEATH, West Sussex, RH16 1JJ, ENGLAND Tel. UK: (+44) (0)1444 453111

Re: telling time by rainbows

the gnomon ;-) --Andrew Pettit e-mail: [EMAIL PROTECTED] Postman Pat: 3, Lucastes Road, HAYWARDS HEATH, West Sussex, RH16 1JJ, ENGLAND Tel. UK: (+44) (0)1444 453111

Long term variations

to rotate through 360 degrees. This period is about 21,000 years. Under the heading Length of the year the period of precession is given as 26,298 years and I have that figure from other sources. Am I correct in thinking that these are two seperate long term effects? Regards Andrew Pettit (who

Re: Sunpath for Glaziers.....and diallists!

the ATM's - very cute! Regards --Andrew Pettit e-mail: [EMAIL PROTECTED] Postman Pat: 3, Lucastes Road, HAYWARDS HEATH, West Sussex, RH16 1JJ, ENGLAND Tel. UK: (+44) (0)1444 453111

Re: Oddity

odd nor even. The next even day will be 2-2-2000 - the first one since 8-28-888. So, now you have a reason to celebrate this Friday as it'll be your last odd day on Earth!! --Andrew Pettit e-mail: [EMAIL

Re: St.-Luc sundial

. -Andrew Pettit--- e-mail: [EMAIL PROTECTED] Postman Pat: 3, Lucastes Road, HAYWARDS HEATH, West Sussex, RH16 1JJ, ENGLAND Tel. UK: (+44) (0)1444 453111

Construction of Sundials

and Hamiltonian Eulerian Cycles. This could lead you on to the unsolved travelling salesman problem! Best of luck Andrew -Andrew Pettit- e-mail: [EMAIL PROTECTED] Postman Pat: 3, Lucastes Road, HAYWARDS HEATH, West

Re: Equation of Time

-Andrew Pettit- e-mail: [EMAIL PROTECTED] Postman Pat: 3, Lucastes Road, HAYWARDS HEATH, West Sussex, RH16 1JJ, ENGLAND Tel. UK: (+44) (0)1444 453111

Re: Equation of time

. I hope that these two references help - though I note that other side issues such as the inner workings of Excel date functions may also cause some anomolies Best of luck -Andrew Pettit- e-mail