Hi Larry,
It is probably "the International Association of Physics Students"
I've seen references like that several places.
I don't know how to contact them.
Regards,
Edley.
Date sent: Mon, 26 Jul 2010 13:28:16 -0700
From: Larry McDavid
Organization: LM
Dear Shadow Watchers,
This is to thank all those who responded to the 'Quick Bifilar' question, both
on and off line. I
see now that the equations such as those published by Fred Sawyer and others
are sufficient to
the purpose, needing only to be formatted to put the variables on different
s
gt; time. Why you wouldn't put a
> wristwatch movement inside the case instead of the sundial escapes
> me.
>
> Regards
> Chris
>
>
> - Original Message -
> From: Edley McKnight
> To: Chris Lusby Taylor ; sund...@rrz.uni-koeln.de ;
> pat
Hi Peter, Chris, Patrick, and all.
I agree with Chris if the plane of the watch is positioned horizontally, but
from the patent, there is
no regard taken for positioning the watch other than to magnetic north. If the
central axis of the
watch was made parallel with the earth's axis it would t
Hi Chris,
Yes, I believe so also, a rectangular or other base could use a rotatable ring
with the thread
supports attached so that the orientation could be corrected as well as making
the equiangular
dial face rotatable.
So, Joe "Sundial Maker" could have such a dial mounted to his/her van or
s and heights. Given GPS, an
inclinometer, etc.
Maybe this is too much to hope for?
Yes, and Happy New Year also!
Edley McKnight
> Dear Edley,
> For a bifilar dial with 15 degreeequal angle hourly separation on
> any arbitrary surface anywhere in
> the world, calculation of the posi
ess seldom report the problem so that apparent reliability is false.
Douglas Hunt does have some older email addresses found in the list archive of
before 2000
that still work.
Best Wishes!
Edley McKnight
> In message <4adc9e04.2010...@lindisun.demon.co.uk>
> Tony Moss
so far I've not found a
direct solution.
Is there one out there somewhere? I'm assuming the threads are parallel to the
dial surface.
Yes, and a happy New Year to all of you!
Best Wishes!
Edley McKnight
---
https://lists.uni-koeln.de/mailman/listinfo/sundial
Joel,
Very, Very Nice!
Will sunlit walls ever be the same?
I can see so many places where this great concept would work.
Many, Many Thanks!
Best Wishes!
Edley.
---
https://lists.uni-koeln.de/mailman/listinfo/sundial
So did I til I used the Internet Exploder from Microswift. :-) Apparently the
internet explorer is
required. In my area, I found no improvement over Google Earth.
Edley.
> When I go to www.bing.com I get a search engine but no maps.
> Thibaud
>
> At 14:40 30-10-2009, J. Tallman wrote:
>
als.org/puborder.htm for 30 USD. I would bet that Fer de Vries on
this list would
know a great deal more.
I hope this helps!
Edley McKnight
> I'm very interested in the Navicula de Venetiis altitude dial. In
> "'Transmitting Knowledge: words, images, and instruments in ear
Frank, Fer, Dialists,
For the Bifilar dial with equiangular hour lines, so that a portion of the dial
face can be rotated
and set by a scale to compensate for EOT, the simplest I've found is at:
http://www.de-zonnewijzerkring.nl/eng/bif-zonw-procedure-1.htm
And is done by hand by Fer de Vries.
Th
m
>
> ChiLian Chiu
> 25N, 121E
>
>
> 2009/10/6 Edley McKnight
> Fer, Dialists,
>
> Thanks! That is a very nice dial and adjustable just as desired.
>
> I also wanted to remind others that rotation around some other nearby axis
> that parallelled the
.
> Fer J. de Vries
>
> De Zonnewijzerkring
> http://www.de-zonnewijzerkring.nl
>
> Molens
> http://www.collsemolen.dse.nl
>
> Eindhoven, Netherlands
> lat. 51:30 N long. 5:30 E
> - Original Message -
> From: Edley McKnight
> To: Fr
Hi Frank, Dial friends,
If the dial is going to have adjuistments, it seems simpler and better to
simply have the dial
mounted to a hinge parallel to the earth's axis. Then, when the dial varied
from civil time by an
unacceptable amount, one could just rotate it slightly about the hinge til i
Hi James, Dialists,
Not exactly the polynomials, but ICE (Interactive Computer Ephemeris) from the
Naval
Observatory originally, is still available and covers up to 2047. It is
freeware and now public
domain. It is available from a number of places. It is a DOS program and the
latest version
Dear Dialists,
I agree with a number of those that have sent comments. How would one tell a
lay person how
to set up one of these shadow ridge plaques in their area??
Possibly one could have one of Dave Bell/Rodney Heil's Anemone dials attached
temporarily?
There must be some better ideas th
Hi Rodney,
I finally was able to make my browser work on flickr. Yes, this would work, I
also thought of it as
on a flat surface with points or with curving ridges for intermediate time as
did Dave Bell, but,
this idea is neat also. Thanks for drawing it up!
Edley.
> I made a quick POV-ray
Dear Dialists,
There have been a number of suggestions that it would be very difficult to make
a Shadow
Ridge Dial plaque to commemorate a specific time, date and locality. I thought
it might be also,
til this very simple way struck me.
1.0 Machine the plaque with an end mill, so that all th
Hi John,
Yes, the spot is hard to see on the first image. It seems that it might be
easier to get people to
stand on the correct spot if the converging hour lines were truncated before
they converge.
Maybe also, a bright color on the correct spot
It is a neat idea though.
Edley.
> Hi Joel:
>
Claude, Dialists,
Wow! Thanks Claude!
Edley
> See the work of Roger Berry :
> http://rogerberry.info/Sculpture/SanMateo/san-mateo-shadow-04.html
>
> Here he has a field of shafts at the angle of incident sunlight. He
> has
> commented "At any moment during the day one pole casts its shadow
Hi Mike, Sundialers,
Unfortunatly the bottom of a straight hole whose center line aligns with the
center of the sun's
path will be fully lit for the full Semidiameter movement of the sun,
approximately 2 minutes or
longer. ( no matter how narrow or deep ) However, a cluster of holes with one
nt from my iPhone
>
> On Sep 4, 2009, at 10:20 AM, "Edley McKnight"
> wrote:
>
> > It could be composed of the solid shadow sections of a nodus
> gnomon
> > for that matter and be just tilted columns. I mainly thought of
> this
> >
t
> me
> to any pictures of such?
>
> Respectfully,
>
> Rod Heil
>
>
>
> On Wed, Sep 2, 2009 at 1:37 PM, Edley McKnight
> wrote:
> > Dear Sundialers,
> >
> > This is just a short note to introduce the shadow ridge dial which
> helps to
> > eliminate gno
Dear Sundialers,
This is just a short note to introduce the shadow ridge dial which helps to
eliminate gnomon
damage. The design will work with any type of flat surface sundial using a
virtual gnomon that is
parallel to the earth's axis, but this example shows a cross-section of a polar
dial.
Good Friends,
It is important to remember that the sea and air are now as crowded as the land
with
transportation. Much of the sea lanes are filled with automated shipping, so
that if we wander off
our course into their lanes, we will be just run over. Also, how many of us
would attempt to dri
mail you
> indicated that a book can be downloaded, do you know howto do that.
>
> Thanks,
>
> Roderick.
> ----- Original Message -
> From: Edley McKnight
> To: David M Brown ; sundial@uni-koeln.de
> Sent: Sunday, July 19, 2009 7:33 AM
>
Hi John,
To some extent it is marketing, to some extent supplying excellence.
An old formula:
Go where the money is.
Learn what the money wants
Learn to make that( hopefully in a way hard to duplicate, or in a small niche
of your own.
Let the money know you've got it.
Sell it to them , starting
talk could cover much of it. Doing the talk from current best
theory and
or practise would be more to the point, yet still a single talk could only be a
mild
introduction.
We wish you well at it.
Edley McKnight
> Dear fellow-diallists,
> I have been asked to give a talk on the mathematic
Hi Again,
Yes, I finally see the sundial you mention.
I think I would suggest making an universal ring dial since it would be usable
just about anywhere.
A link to making one from cardboard is here:
http://leewm.freeshell.org/origami/ringdial.pdf
Another link to making one using an embroidery hoo
Hi Thomas,
I've tried 3 browsers and two computers and all I get at your link is a blank
Picassa page, ie. no picture.
Can you describe the type, materials you have in mind?
Edley.
> Hi,
> I will hold a half-day project with students next Monday. The
> first
> 60min we will try to understand wh
Thanks Bob, We are happy to hear of your progress. Please continue to let
us know how it goes.
Edley.
> Greetings again to my sundial friends. This is to update you on the
> quilt square sundial we are making in Burnsville, North Carolina, as
> I
> had mentioned in an earlier posting. That earl
Dear John et al,
Wow, you Do have some gorgeous sundials there! Thanks for making them
available for viewing!
Best Wishes,
Edley.
> Hi Friends:
>
> I have posted photographs of my best sundials at
> http://www.flickr.com/photos/jlcarmichael/
>
> (because my business website webmaster has been s
Dear Sundialers,
With all the academic advances in resolving 3D point clouds by
analyzing calibrated multiple digital images, using each pixel as a
uniformly spaced color and direction spacial sample, is there anyone
using this technology to design Sundials using existing shadow
creating edges
Thanks Tony,
I have captured it and made copies for all my family so that we could watch
it as often as we like and not tie up the net. Wonderful indeed!
Edley.
Fellow shadowWatchers.
The following link has
nothing
whatsover to do with sundials but it
Hi Peter and all,
The following are some of my impressions on the changes in patent policies
over some period of years.
1. Patents are now written with claimed items over a broad set of areas, with
the fiurther stipulation that all of the claims not thrown out in court
continue to
stand. Oft
Brent and all,
For those that might not know, the archive of this list is
at http://www.mail-archive.com/sundial@uni-koeln.de/
There have been a lot of good discussions on many subjects.
Best Wishes!
Edley McKnight
---
https://lists.uni-koeln.de
much still to be discovered
and enjoyed in this area.
Best Wishes!
Edley McKnight
> Maybe the important questions are-
>
> Is the sun in a unique position ...every day of the year?
> every minute of the year?
> every second of the year?
>
> If the answer is yes,
t the outer
tubes might not be fully dark, but they should be darker and all evenly lit.
One could just mount this assembly on a theodolite base in order to check
it out. Good Luck! Let us know how it goes!
Best Wishes!
Edley McKnight
> Hello;
>
> Existing Sundials are pretty much wo
Since Dialists are first in history, the sundial is useful for years at a time,
shouldn't it be a Decade of Sundials, where other astronomical events are
assigned only a yearly time interval? If not, then at least the full cycle of
four
years should be chosen. Especially since all solar shado
s been quite helpful to me and others on the list.
Keep us informed if you would please.
Edley McKnight.
Date sent: Sun, 21 Dec 2008 21:46:52 -0500
From: Bob Hampton
To: sundial@uni-koeln.de
Subject:Thunderstruck sundials
> Thunderstruck greetings to all on this list!
>
Dear Mac and All,
Have you given any thought to coloring the concrete? Or using one of those
extremly white top-coats? Are you casting it upside down? Let us know how
it goes.
Best Wishes,
Edley.
On 26 Apr 2008 at 6:01, Mac Oglesby wrote:
Date sent: Sat, 26 Apr 2008 06:01:45 -
Yay Tony!
This is close to the process I used. Worked for me.
Thanks!
Edley.
On 25 Apr 2008 at 12:34, Tony Moss wrote:
Date sent: Fri, 25 Apr 2008 12:34:40 +0100
From: Tony Moss <[EMAIL PROTECTED]>
To: Sundial Mailing List
Subject:
Hi Mac and other dialists,
There are so many "Stainless" steels, some of which will degrade in various
climates and locations, Fine here, but down the coast 25 miles it has
problems sort of thing. Coloring some stainless works well, others not.
Those Stainless that include Chromium can be ele
Dear Fer, Despina, Peter, dialists,
Yes, an array of dials for different Latitudes, perhaps for different
dates as
well, would be a great idea!
Perhaps your own Shadow Plane dials from the article in December, 1999 of
the NASS Compendium:
Shadow Plane Sundials - II
Maddux, Oglesby & deVries
Woul
Despina and dialists,
Another flat fabric dial, and this one printable, would be based on a "Shadow
Plane" design. If screen printed with thick ink, lines radiating outward, the
line that cast the minimum shadow would be the nearest angle. Again this is
an Azimuth indicator, but could be done
Hi Despina,
The NASS Compendium Article was harder to find than I thought. It is
"Light As Shadow - Sundials Without Gnomons"
By Mario Catamo & Cesare Lucarini
Volume 6 No. 3 September 1999
On 18 Apr 2008 at 13:38, Edley McKnight wrote:
From: "Edle
Hi Despina,
Of Course. There are many possible designs workable in fabric that don't
have something sticking up from the surface. The type that strikes me first is
one extropolated from one made on an old CD where the spiral markings
show light direction and can be made easily into an Azimuth
to
hear about it.
Thanks!
Edley McKnight
PS. John, I decided to let the list know.
---
https://lists.uni-koeln.de/mailman/listinfo/sundial
Hi Hendrik, fellow sun movement observers,
It can be said, not too far off, that all solar shadows of static objects
falling on
any other static objects, including buildings, ARE sundials! They just need to
be properly marked for date and time, if they haven't been already. With
modern photog
Dear Art and sundialers all,
What a wonderful idea!
I'd like to suggest a type of sundial for those folks that:
a: don't own the building they are in.
b: don't have access to the outside of the building
c: have no sunlight coming through or hitting a window or opening.
It is the Scenic Shadow In
Roger Bailey, John Carmichael, and all
Thanks for the great heads up on Microsoft Vista. It is great to hear that
some of my favorite Sundial programs would still work. Sorry to hear about
the hardware problems though. We've accumulated so many older pieces of
specialized equipment that would c
Thanks Peter!
This looks like one of the ways I will go.
Best Wishes,
Edley
> Dear Edley,
>
>Another try at attaching the thumbnail.
>
> best wishes,
>
> Peter
---
https://lists.uni-koeln.de/mailman/listinfo/sundial
conference room. Everybody loved them and they sure brightened the
> > place up.
> >
> >
> >
> > I still have a bunch of it left on the roll that I won't be using anymore.
> > If you want some, let me know off line and I'll send it to you.
> >
Hi John,
Thanks for the References!
Related to SGS are there any references that you've run into on using
"Window Tint Film" or "Static Cling Film" for making "Stained Glasslike"
Sundials?? I have been interested in both "cut out pieces type designs" and
"print on a sheet and stick it up designs
Hello Mashallah,
I agree with your desire to have Architects with Sundial experience and
interest to build great buildings with sundials an integrated design element.
This would be the ideal case, of course. Some other buildings could still
have sundials added to them, possibly by the same archit
Dear All,
I meant "monofilar designs" not "monofiliment designs" Like single edges
and points. A representative article is in NASS Compendium 5-3 by Gianni
Ferrari, included in that issue was a copy of Gianni's Sund98P program that
can calculate them. (I seem to be confusing fishing with sund
Greetings All,
Although this is a very great idea, I'd take it further.
Using the wonderful concepts, equations and software for "monofiliment
designs" by Fer deVries and Gianni Ferrari among others, many of the
shadowing and shadowed surfaces and edges can be incorporated into
beautiful sundi
Hi All,
Instead of requiring an architect, all complexes of building, indeed, all
outdoor scenes involve shadows that can be fairly easily incorporated into
solar time keeping purposes. Some of this can be just fun and perhaps
temporary, but some could incorporate permanent markings.
The basis f
Dear Frank and All,
Your observations are very good, the number of adults and children that can
properly use even a ruler seems small. Your using a vertical pole as a
gnomon is worthwhile. A knowledgeable and able person could establish a
dial center offset toward the equator in such a way tha
Hi Tony,
Yes, you are correct, some clay is the key to it. There are sandcastle
competitions every year here in Oregon at Cannon Beach. Every
sandcastler I've observed brings in buckets and tubs with a fair amount of
clay smearing on them. Just a few percent seems to do the job. Spraying
t
rpendicular to the wire and aligned also
perpendicular to the 12 O'clock line, the other hour lines can be sighted out
in 15 degree steps, by eye or by string or laser at night.
It is more likely that the dish is an 18 inch diameter parabola, but who
knows?
Hope this helps!
Edley McKnigh
Hi Dialmakers,
A simple pair of pivots allows adjusting a dial for Longitude, EOT and
daylight savings differences.
In this case we are talking about a horizontal dial with the standard gnomon
replaced by a Virtual Gnomon, that is a vertical pin that, measured from dial
center, subtends the La
Hello Franks and all,
I assume we are to neglect altitude differences and use the fictional
spherical earth model, but just what do we mean by 'the same time'? I
would assume that when two or more persons look at their watches,
corrected for standard zone time, that they read the same numbers?
ne to show the time in other time zones as well. An
horizontal dial rotated a few hours and renumbered lets the rain and leaves
run off better.
What other uses do polar axis rotated dials have?
Enjoy the Light!
Edley McKnight
---
https://list
Hi Dave and all,
Yes Dave, I think Equatorial Exposure and Polar Exposure might be the
correct terms that would work in either hemisphere.
Thanks,
Edley.
> Edley McKnight wrote:
> > Dear Dialers,
> >
> > I keep making the assumption that a nice room that gets a lot of
acceptable.
Thanks!
Edley McKnight
---
https://lists.uni-koeln.de/mailman/listinfo/sundial
Hi Peter,
Your small jpgs came through fine. There seem to be a number of Poncet
patents with curved surfaces, to answer other questions. This embodyment
seems sturdier and less likely to shift. It appears to be an indoor dial,
through a south window, yes. It looks really good! I wish I ha
Hi Roger,
Yes, Now that the concept finally comes fully in to mind, this is a great idea!
As you say only about 4 degrees of rotation, a small width of incllined plane
for the two sliding contacts, would do it for just EOT correction. Quite
compactly too. To handle both Longitude and EOT ju
he "appropriate" angle? I
> think I'm too late. It appears that it's common knowledge amongst
> housewives in this country.
>
> Chris Lusby Taylor
> 51.4N 1.3W
>
> - Original Message -
> From: Edley McKnight
> To: Roger Sinnott ; su
nment, but what can you do if you are a working
person? Anyhow, any large collection of sundials could possibly be mounted
on a rigid platform rotatable about an axis parallel to the earth's and all
could
be corrected for EOT in one movement! Whe!
Enjoy the Light!
Hi Folks, just a short note on hinging in latitude/EOT corrections.
I tend to think of the hinge as one side of a parallelogram with the gnomon as
the opposite side. The parallelogram extending down through the dial plate
and base. When any set of parallel lines is rotated around one of them,
independently fixed while the base tilts under it.
>
> I'm trying to come up with the mathematical shape of a suitable cam
> for controlling the base tilt in a sundial of this general type,
> during the course of a year. So far, no luck. It may be easier to go
> ahead and make on
Hi Simon,
Ahhh! Thanks much for the information! So, nearly any sundial, if
competently made can be used nearly anywhere on earth, if oriented
properly. That is good to hear.
Thanks again!
Edley McKnight.
> not only altitude dials, but azimuth dials also. I
> have a chap
g
rather than dangled by their cords. Has anyone else observed this?
I still like Hendrik Hollander's cone gnomon design the best currently.
Enjoy the Light!
Edley McKnight
> Duane,
>
> In addition to all the other comments, I'd like to mention this
> possibility:
>
>
Hi John and All,
Here is a pdf file that seems pretty close to what I was taught.
http://www.buildingconservation.com/articles/pdf_decorat/decorat.pdf
Enjoy the Light!
Edley.
> Hello All:
>
> While researching wall sundials, I have come across a few sundials
> that seem to be made of sculpted
Thibaud, Larry, Mac, and all,
I've tried an experiment using some quite white drafting film and laser
printing. I converted
the sundial file to a bitmap and then filled all the white area with a light
grey. This way there
is a fairly uniform layer of ink all over the sheet and the shadow of
Dear Frank, Gianni, Robert, Bill and all,
It seems that there is much interest in directly solving the multibody Kepler's
law for at least
those objects in our solar system. This is working from near basic principles
rather than
developing perturbations to curve fitting polynomial circular f
rden sundial, but only in it's ornamental purpose, not
functionally as a
sundial. Being addicted to sundials, my first thought when I see something is
"how would
that work as a sundial?" I apologize for getting carried away!
Enjoy the Light!
Edley McKnight
> Hello Friends,
Hi Carl, Mac and all,
Whatever material is used cannot have any coating over the printing, nor any
ink sticking up,
nor any printing impressions as they all disturb the shadow line a lot at such
oblique edges. It
must also be very smooth, of a uniform thickness, quite opaque and very bright,
Dear Gianni,
Thank you so much for your help over the years! This last NASS Compendium with
the
reflected dial with a shadow rod really helps. I've a wall with a full expanse
but with a narrow
walkway next to it, so that a normal sundial wouldn't work, likewise as it is
often in full sunlig
Hi Mac,
Tyvek seems to work OK. It is hard to print on, requires special inks. One of
the big
problems I've found with the cylinder dials using the edges for gnomons is
expansion with
temperature changes. i.e. the paper gets loose. I made a slit in a cylinder,
pulled the paper
through and
Hello Mac,
The Patent for Porter's reflecting telescope is available directly from the
patent office's online
site at a huge long url, which is too long to type in or put on a single line.
You can just go to:
http://patft.uspto.gov/netahtml/PTO/search-bool.html
and search for telescope in titl
scope as found on
Google Patent with the search "Porter Telescope"
Best Wishes!
Edley McKnight.
> Hello Friends,
>
> The Summer 2007 issue of Vermont Life magazine contains a nice
> article on Stellafane, a convention of amateur telescope makers which
> convenes eac
ideas. (Well, only on
my older dos capable computers, but that is a good excuse for keeping
them.)
Best Wishes!
Edley McKnight
Friends of Reversed Italian Hours Club
> Some other suggestion.
>
> While the Reversed Italian hours give us the
> time that is to sunset, if we want to know
Hi Carl, Barbara and all Reversed Italian Hours friends,
It seems these hour lines are becoming quite popular. I believe they deserve
a name of their own. Perhaps there is a name out there somewhere, but til it
shows up, I'd like to propose we call them Dayleft hour lines. It is my belief
th
Hi Gianni,
Yes, I believe time to sunset is a great type of dial usage. As you say,
watches don't do it. Some types of aircraft are required to be on the ground
a certain time before sunset and certain airports have sundials for that
purpose. I just enjoy it as it gives me a good idea of how mu
a fixed set of hours, or to be fully visible from a particular location ( Like
the
bell ringer or the administration offices. ) sounds really cool!
Thanks again,
Edley McKnight
> Dear Frank (Evans),
> I don't agree completely on your conclusions :-)
>
> In http://books.google.co
Carl,
I've been looking at what may be a simple solution. A metric Framing
Square, A Plumb Bob, One of those Cheap Laser Levelers that put out a
Line rather than a spot on a surface. For instance the leveler shining from
500 mm on the short arm of the square to the other arm of the square
ma
I belong to the "North American Sundial Society"
(NASS) and have learned such a tremendous amount from the archive of
quarterly compendiums, known as "the Repository" that I gladly
recommend it.
When your questions get much more specific, I'm sure you will get many
responses
anks again!
Edley McKnight.
>
> I've had some questions about the Soda Can Dial and how to read it.
> Here's a diagram taken at
> 3pm local time, 7 Nov 2006, which may help. The current time is read
> at the intersection of the
> vertical line corresponding to 7 Nov a
d I was able to download it
from here:
http://www.download-by.net/web-development/other/4826,image-co-
tracker.html
The original publisher's site seems to be down. It was published in 2001.
I hope this helps those of you who wish to do such picture management.
Edley McKnight
> Dear Dialists
p://www.hotscripts.com/
and others.
Some software will even create pages much like those of "Google Image"
Sorry for this offsubject note, but it seemed called for.
Edley McKnight
---
https://lists.uni-koeln.de/mailman/listinfo/sundial
of duplicating the
scales, showing AM hours on one set, PM hours on a separate set which
would allow one color printing as well as reduce the clutter in winter months,
sounds neat too! Yes, I'd like to try your java version as I run a number of
operating systems.
Thanks much!
Edle
necessary?
Disregard my earlier note.
Thanks!
Edley McKnight
Date sent: Wed, 25 Oct 2006 16:07:38 -0400
From: "Lufkin, Brad \(Mission Systems\)" <[EMAIL PROTECTED]>
To: "Sundial Mailing List"
Subject:Portable Dial Adjusted for EOT and DST
Here
would be a great addition to
festivals out in flatlander country, but I never go there. :-)
Floating altitude dials seem to be fairly popular.
Have fun!
Edley McKnight
Date sent: Tue, 17 Oct 2006 11:36:02 -0700 (PDT)
From: "Gerard Hughes" <[EMAIL PROTECTED]>
To:
hanks for sharing!
Edley McKnight
From: "Phil Walker" <[EMAIL PROTECTED]>
To: "Sundial List"
Date sent: Wed, 11 Oct 2006 17:13:39 +0100
Subject:Virtual sundial and Google Sketchup
Hi Sundiallists,
Those who followed my experiments with Virtual Su
ut as yet, I downloaded Scilab, which is
also free, but I've not looked into it very far yet. I may download Octave as
well. ( I love freeware that does great work! ) Things are looking up!
Thanks for the info and offer of help!
Edley McKnight
From: "Analemma Zonnewijzers" &l
, maybe programming in them
would be an alternative to a specific sundial program. (I just found them and
downloaded them yesterday, so I'm not up to speed on them.)
I certainly do thank you for your great mean time dial!
Edley McKnight
---
Hi John,
Yep, you got it, exactly! I don't know of a better way.
Edley McKnight
From: "John Carmichael" <[EMAIL PROTECTED]>
To: "Sundial List"
Date sent: Mon, 11 Sep 2006 07:48:36 -0700
Subject:Cone Nodus Design Improvements
Hi Listers:
I
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