Re: bad sundials

2011-03-19 Thread Richard Langley
Included in the bad sundials list should be sundials, which were properly constructed for the location but improperly installed or improperly re-installed after cleaning or refurbishment. I happened to notice one I think falls in the latter category on the way to the terminal at Heathrow

Re: bad sundials

2011-03-13 Thread Mike Shaw
John Carmichael wrote: I think Mike Shaw has a posting somewhere of horribly wrong sundials. Mike are you there? == Hi John and everyone. Yes, I'm still alive and watching the list with interest. You're right (as usual), but I think you are remembering a short

Re: bad sundials

2011-03-13 Thread Tony Moss
On 12/03/2011 19:39, Brent wrote: Hello again; I hope I am not trying your patience with my endless questions. Today I am thinking about all of the mistakes that I have made in my thinking about sundial designs. The motions between the sun and earth are more complicated than I first thought.

Re: bad sundials

2011-03-13 Thread Willy Leenders
For most errors on sundials there is an explanation. Sometimes the cause is a mystery. As for the special sundial in Company's Garden in Cape Town (South Africa) see http://www.wijzerweb.be/kaapstad.html (note that in the southern hemisphere the sequence of hour numbers on a horizontal dial is

Re: bad sundials

2011-03-12 Thread Patrick Powers
Hi Brent, The BSS Register has many ‘non-dials’ on its books. Some (though few) have other dialling interest. We used to record all except the most flagrantly erroneous one so that we could use the data for research but now are moving away from that because there are so many ‘garden-centre

Re: bad sundials

2011-03-12 Thread Willy Leenders
Brent, In my province, where I know about all sundials the biggest blunder in terms of time difference between the indicated time and the actual time, is an equatorial sundial with the hour digits in reverse order. He may be right in the southern hemisphere. See

RE: bad sundials

2011-03-12 Thread John Carmichael
I think Mike Shaw has a posting somewhere of horribly wrong sundials. Mike are you there? It would make a great webpage. -Original Message- From: sundial-boun...@uni-koeln.de [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Brent Sent: Saturday, March 12, 2011 12:39 PM To: Sundial