1, 6, 11 etc has of course the advantage of no smaller first interval.
Following John's and Patrick's comments, the date sequence used on small C18
and C19 English clock date dials, when all dates are not numbered, was
usually 5 10 15 20 25 31 (of course the dial had to allow 31 as the last as
John, Ron, all,
When I worked on this I choose 7 date ticks per month in the
following sequence 1,5,10,15,20,25,30 (Feb being the exception tick7 =
28). The URL below is for a PDF file illustrating the analemma marked in
this scheme, zoom in to see the date ticks. The date tick for the
John, it occurred to me that if you wanted to use Zonwlak to put beads on
specific dates on the Analemmas, one way to do that would be to have Zonwlak
include declination lines for those dates. Then when you import it into
DeltaCad, place beads (closed circles) on the proper intersections of
PROTECTED]
http://www.iae.nl/users/ferdv/
Eindhoven, Netherlands
lat. 51:30 N long. 5:30 E
- Original Message -
From: John Carmichael [EMAIL PROTECTED]
To: sundial@rrz.uni-koeln.de
Sent: Tuesday, October 03, 2000 5:03 PM
Subject: beaded analemma date sequence
Hello All:
Ron Anthony
Hello All:
Ron Anthony and I have been having a discussion concerning the proper date
sequence of a beaded analemma (an analemma which has dates marked on it).
We noticed that the Shadows sundial generator program has analemmas with the
following dates of each month: 1,6,11,16,21,26. Why would
]
- Original Message -
From: John Carmichael [EMAIL PROTECTED]
To: sundial@rrz.uni-koeln.de
Sent: 03 October 2000 16:03
Subject: beaded analemma date sequence
Hello All:
Ron Anthony and I have been having a discussion concerning the proper date
sequence of a beaded analemma
John Carmichael wrote:
We noticed that the Shadows sundial generator program has analemmas with the
following dates of each month: 1,6,11,16,21,26. Why would this sequence be
better than: 1,5,10,15,20,25?
I won't venture to guess the motivation of creator of the Shadows
program, but I will
