for the
planet motions in the geocentric system.
https://en.wikipedia.org/wiki/Epicyclic_gearing
https://en.wikipedia.org/wiki/Occam%27s_razor
--
Have Fun,
Brooke Clarke
https://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
axioms:
1. The extent to which you can fix or improve
Sundial Goes To War" page 13 Fig 17.
https://prc68.com/I/AbramsSunCompassSC1.shtml#Goerz
http://www.sundials.co.za/THE%20SUNDIAL%20GOES%20TO%20WAR%20web.pdf
--
Have Fun,
Brooke Clarke
https://www.PRC68.com
https://www.end2partygovernment.com/2012Issues.html
axioms:
1. The extent to which yo
on this email.
Fundamentally all of science is provisional, i.e. there are no scientific facts. This allows room for improvement. and
is why civilization progressed post Enlightenment.
PS The above talk has much more meaning after reading Popper.
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
http
on this email.
Fundamentally all of science is provisional, i.e. there are no scientific facts. This allows room for improvement. and
is why civilization progressed post Enlightenment.
PS The above talk has much more meaning after reading Popper.
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
http
Hi Conxita:
I read that paper and in it Malcolm says: "The tips of the styluses contained a tiny glass capsule apparently filled
with a luminous substance and was presumably used at night but its exact function and method have yet to be discovered."
--
Have Fun,
Brooke C
://www.prc68.com/I/AbramsSunCompassSC1.shtml
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
---
https://lists.uni-koeln.de/mailman/listinfo/sundial
o clue how it worked.
More about this in the Richard Feynman lectures at Cornell "The.Character of Physical Law".
https://www.microsoft.com/en-us/research/project/tuva-richard-feynman/
also the book: Einstein's Clocks and Poincare's Maps: Empires of Time
--
Have Fun,
Brooke Clarke
http:
cameras (36 x 24mm) have a ratio of
1.5 the same as most DSLR cameras, yet the most common printer paper aspect ratios are still 1.25 (4x5 or 8x10). But
you can get 4x6 or 8x12" paper for an aspect ratio of 1.5. Note all of these are smaller than 1.618.
--
Have Fun,
Brooke Clarke
/www.prc68.com/I/StellarTime.shtml
--
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Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
Original Message
Hi Clark,
The Solar Info android app provides the EqT value at all times and also generates the EqT curve at 12:00 for a date
is to make use of a "time" station like WWV or WWVB. I've
only heard of one clock model that makes use of the phase modulation that's been on WWVB for many years and it's the La
Crosse 404-1235UA-SS.
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012I
ways wrong.
The only time source that knows about these things are the time stations, like WWV
& WWVB.
http://www.prc68.com/I/timefreq.shtml#RSL
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
Original Message
A recent arti
no idea what year it is.
The total number of seconds offset from UTC is transmitted separately so that a GPS receiver can display either GPS time
or UTC.
Note that the time and position are independent from the year.
http://www.prc68.com/I/Trimpack.shtml#WkRlvr
--
Have Fun,
Brooke Clarke
http
Hi:
https://www.youtube.com/watch?v=78I-A7ikXYU
http://www.mojoptix.com/2015/10/25/mojoptix-001-digital-sundial/
http://www.thingiverse.com/thing:1068443
https://www.etsy.com/listing/248715228/digital-sundial
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com
vity meter.
I'm on the "Time Nuts" mailing list where very precise time and time
measurements are the topic.
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
Mail_Attachment --
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
h
panoramic telescopes and panoramic sights where the image stays put in the eyepiece when
panning in azimuth.
Would anyone know of a design for such a camera obscura?
--
Mail_Attachment --
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
http
Hi Ruben:
Do you have a still photo of this?
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
ruben nohuitol wrote:
Hi, I made a comment about the Cast Away movie analemma at
http://www.moviemistakes.com/entry202089
Someone reject the comment
/Sundial.shtml#SSB
It's very difficult to photograph the larger ceiling dial.
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
Brooke Clarke wrote:
Hi Ruben:
Do you have a still photo of this?
Have Fun,
Brooke Clarke
http://www.PRC68.com
http
://www.prc68.com/I/LGBXcsiDGPS.html
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
Douglas Bateman wrote:
Many thanks to all who, as typical of the list, sent relevant and interesting posts. I would like to comment on some
as follows:
IM: the confluence
/Earth_tide
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
rmallett wrote:
On 30/04/2014 17:37, Douglas Bateman wrote:
This is a new club consisting, so far, of two members: Frank King and myself.
After the successful British Sundial Society
the
correct card in the correct slot.
Winter: 38mm, Equinox: 42 mm, Summer: 33mm
http://www.prc68.com/I/CampbellStokes.html
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
---
https://lists.uni-koeln.de
the
correct card in the correct slot.
Winter: 38mm, Equinox: 42 mm, Summer: 33mm
http://www.prc68.com/I/CampbellStokes.html
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
---
https://lists.uni-koeln.de
://www.prc68.com/I/Sundial.shtml#Schmoyer
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
cerculdestele . wrote:
Does anyone know if this record has been broken?
http://www.engadin.stmoritz.ch/sommer/en/activities/mountain-adventure/mountains/muottas-muragl
,
Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
Alison Shields wrote:
Dear Sundial Mailing List Members,
It might be a very unusual question - but I would like opinions on who (or
what) the most 'successful' sundial business is, or has been, in the past
Hi Frank:
Can you say more about how to read the photograph you attached?
Is there an existing dial that incorporates detection of 29 Feb?
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.End2PartyGovernment.com/
Frank King wrote:
Dear Jos,
You ask a good question...
Can a sundial
Hi John Sara:
Thanks for the pointer to this book. Have one on order from Amazon.
Maybe it will have some info on my Chinese Compass Sundial.
http://www.prc68.com/I/chinesesdc.shtml
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.End2PartyGovernment.com/
John Pickard wrote
,
Brooke Clarke
http://www.PRC68.com
http://www.End2PartyGovernment.com/
karon wrote:
*Ok, guys, total Newbie here. I took trig and calculus more years ago
than a woman my age would care to admitG so, all of this may as well
be Greek to me!*
* *
*Yet, I am fascinated by sundials
Hi Brent:
You can go the other way, that's to say if you know the location you can
determine two possible date-time pairs.
http://www.prc68.com/I/Nav.shtml#Bg
Have Fun,
Brooke Clarke
http://www.PRC68.com
Fred Sawyer wrote:
See the Obsession episode from season 2 of NUMB3RS. I consulted
to a very good star catalog thus averaging the seeing of hundreds of
stars and get orders of magnitude better time/space resolution.
http://www.prc68.com/I/StellarTime.shtml
Have Fun,
Brooke Clarke
http://www.PRC68.com
Kevin Karney wrote:
Brent
If you measure the transit of a star (or any
Hi Kaarigar:
The USNO has the MICA software package that does this and much much more.
http://www.usno.navy.mil/USNO/astronomical-applications
Have Fun,
Brooke Clarke
http://www.prc68.com/I/Nav.shtml
triplederby100-pro...@yahoo.com wrote:
I had asked a question earlier about how to design
Hi Alexei:
http://www.willbell.com/almanacs/almanac_mica.htm
Have Fun,
Brooke Clarke
http://www.PRC68.com
Alexei Pace wrote:
Hello Brooke,
From where is the software available as I cannot find a 'download' link?
Regards,
Alexei
On Wed, Feb 2, 2011 at 10:03 PM, Brooke Clarke bro
harder problem was and is finding the
Lattitude. This is because of the wobble of the poles, see:
* Latitude by Carter Carter
* http://www.prc68.com/I/UkiahObs.shtml
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
---
https://lists.uni-koeln.de
is that this is a close up of one
slot, nominally 101 W.
Have Fun,
Brooke Clarke
http://www.PRC68.com
R Wall wrote:
Hi Brent,
The following links shows a photo taken of five geostationary
satellites (using 5 hour exposure). I would have thought that there
would be more than five satellites all in a line
. I'd like to learn more about what data the tags store and
how smart they are. For example is there a micro controller in the tag
that make computations or is it just a data logger?
--
Have Fun,
Brooke Clarke
http://www.PRC68.com
---
https
/UkiahObs.shtml
Have Fun,
Brooke Clarke
http://www.PRC68.com
Roger Bailey wrote:
Hi Brent,
Would that it were that simple. Longitude still requires an absolute, not
relative time fix. You still need to know the time and longitude from
Greenwich. Sunrise and noon are relative to local time
Hi:
Here's a video that busts the myths surrounding the benefits of DST.
Rachel Maddow- Daylight-saving time explained
http://www.youtube.com/watch?v=Z48Mg0dl4Gw
Have Fun,
Brooke Clarke
http://www.PRC68.com
---
https://lists.uni-koeln.de
Hi Dick:
Yes, Both Rachel and the author of the book about DST like it, without
any of the official reasons given for it.
They both agree it does tend to cause people to spend more money.
Have Fun,
Brooke Clarke
http://www.PRC68.com
kool...@dickkoolish.com wrote:
Even if the myths
Hi John:
The Wiki orginazation has setup the structure of their pages and anyone can add
or change the content. At the top of the page there are tabs, one of which is
History. If you mouse over the links on that page you will see many
names/handles.
Have Fun,
Brooke Clarke
http://www.prc68
to crop the image. If you did it
by changing the pixel counts the image would become distorted.
Have Fun,
Brooke Clarke
http://www.PRC68.com
http://www.precisionclock.com
John Carmichael wrote:
Hello to the webmasters photo buffs amongst us:
In this new age of High Definition Wide
Hi Thad:
More interesting would be to come up with a way that the shadow of some
part of the bike would cast a shadow that could be used to tell time.
Not sure how to go about it, but would be cool.
Have Fun,
Brooke Clarke
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com
a flash drive to my progressive scan TV?
Have Fun,
Brooke Clarke
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
John Carmichael wrote:
Hello to the Photo Video experts in the group:
I have a technical question about
. see:
http://www.pacificsites.com/~brooke/Loran-c.shtml
click on the station name in the table for the Google image.
Have Fun,
Brooke Clarke
Roger W. Sinnott wrote:
List:
I'm sure Mike meant that the Greenwich Meridian Line is about 5" west,
not 5' west, of where it is shown on G
Hi Mac:
The dipleidoscope is mounted on a base and seems to be designed for use
at some specific location. Is this the case?
Have Fun,
Brooke Clarke
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
Mac Oglesby wrote
clock would be able to program itself to insert the leap second at the
proper time, but I'm not aware of any clocks that use the bits.
For more on observing the leap second see:
http://www.leapsecond.com/notes/leap-watch.htm
Have Fun,
Brooke Clarke, N6GCE
--
w/Java http://www.PRC68.com
w/o Java
.
Of course a precision sundial would no longer work over long periods of
time.
Have Fun,
Brooke Clarke, N6GCE
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
Mike Cowham wrote:
Dear Shadow Watchers,
I have
.
I've also epoxied the mirror to the window sill so that it will not wander. By
pressing down on the window sill the spot can me moved dramatically even though
the sill feels solid.
Having Fun,
Brooke Clarke, N6GCE
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke
to 1 degree).
Is there a procedure for doing this?
Have Fun,
Brooke Clarke, N6GCE
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
-
I guess there are not tracking Hollywood animals, probably only those
in the wild.
Have Fun THANKS very much,
Brooke Clarke, N6GCE
R.Hooijenga wrote:
Hello sundialeers,
I think I could guess the basics behind the method Brooke describes.
From sunrise and sunset, get noon. True noon
list subscribers is using them as an ISP. G2
solutions is improperly reflecting the email back to the list causing
the duplicate postings.
Have Fun,
Brooke Clarke
04/14/05 13:47:11 Input
The Received: headers are the important ones to read
My comments are just hints, and should be considered only
?
The mirror on the windowsill is at: 123:09:50.5 N, 39:11:24.6 W, 900
feet above mean sea level.
Have Fun,
Brooke Clarke
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
-
more data points.
You can see a photo of the ceiling at:
http://www.pacificsites.com/~brooke/Sundial.shtml#SSB
Eventually there will be noon marks for 12:00 and 1:00 made by marking
using a clock. Part of the 1:00 PST noon mark is in the photo on the
above link.
Have Fun,
Brooke Clarke, N6GCE
the room and mirror geometry. Has anyone done this?
Thanks,
Brooke Clarke, N6GCE
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
-
with the 4.01 spec.
So you might want to get the free Netscape 7.2 just to use the Composer.
Have Fun,
Brooke Clarke, N6GCE
--
w/Java http://www.PRC68.com
w/o Java http://www.pacificsites.com/~brooke/PRC68COM.shtml
http://www.precisionclock.com
tony moss wrote:
Fellow Shadow Watchers
Hi Ken:
I started looking into what was needed with my Logitech Pro 4000 web
cam, and could not find the software to upload the images.
Do you know where to get it?
Have Fun,
Brooke Clarke, N6GCE
htp://www.PRC68.com
[EMAIL PROTECTED] wrote:
Hi Everyone,
Has anyone made the EarthDial
Would you send my the photo? I could only find a very small photo on
their web page.
Thanks,
Brooke Clarke
Mac Oglesby wrote:
Hello All,
This is off topic, but I just bought a beautiful large wall clock
which looks like a great value. It's about 20 in diameter and has a
substantial
Hi John:
It's been my experience that carpet has a very short life, and when it
comes time to replace it, the powers that be may decide to go with a
less expensive "plain" carpet. Some other approach may have a longer
life.
Have Fun,
Brooke Clarke
John Carmichael wrote:
Please
Although the seller thinks this might be part of a surveying plane table
setup, it doesn't look like any that I have seen, but might have some
Sundial relatinship. Does anyone recognize it?
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=2538463447category=361
Have Fun,
Brooke Clarke
-
Can someone tell me the California (PST) time when the Sun is South for
the next few days.
I'm at 123:09:50.548 W, 39:11:24.692 N.
Maybe the Dipleidscope can be used as a reflecting ceiling dial.
Brooke Clarke
-
.
Gordon
At 11:16 3/23/03 -0800, Brooke Clarke wrote:
Hello:
Can someone tell me the California (PST) time when the Sun is South
for the next few days.
I'm at 123:09:50.548 W, 39:11:24.692 N.
Maybe the Dipleidscope can be used as a reflecting ceiling dial.
Brooke Clarke
-
Gordon Uber
?
Sorry, but I don't know how to use one---yet.
Best wishes,
Mac Oglesby
Hello:
I got a Dipleidscope, but no matter how I orient it don't see the
image of the Sun. What's the trick?
I'm at 39N 123W.
http://www.pacificsites.com/~brooke/Dent.html
Thanks for any pointers,
Brooke Clarke
-
-
-
-
-
Working with a desk lamp I find that there are two images, one off of
the cover glass that tilts with rotation of the Dipleidscope about the
common mirror axis and another reflection that remains constant as the
Dipleidscope is rotated. To see the constant reflection you need to
move your
got a Dipleidscope, but no matter how I orient it don't see the
image of the Sun. What's the trick?
I'm at 39N 123W.
http://www.pacificsites.com/~brooke/Dent.html
Thanks for any pointers,
Brooke Clarke
-
-
-
Hello Anselmo:
I can't comment on the issue of non compatibly, but in my opinion there is a
much larger problem with frames and that is you can not
bookmark, link or paste a page URL into an email. On my web pages I copy and
paste the navigation links.
Thanks,
Brooke Clarke
Anselmo Pérez
and that is you can not
bookmark, link or paste a page URL into an email. On my web pages I
copy and paste the navigation links.
Thanks,
Brooke Clarke
One useful trick that helps with that: In Netscape (IE, too, but may be a
different operation), right-click in the frame you want to bookmark
Hello:
Does anyone have information on the age of this design?
http://www.pacificsites.com/~brooke/chinesesdc.shtml
Thanks,
Brooke Clarke
-
Hi John:
Before you do that, you might ask those who had problems what version of
Acrobat they are using.
If the version is too old that will cause problems.
Brooke
John Carmichael wrote:
Hi David
Good to hear from you! I'm sorry about the download problem. It appears that
some people's
21731-B Filigree Ct.
ASHBURN, VA 20147
US
703 858 4340
Fax- 703 858 4350
Technical Contact:
HABIB, CHRISTINE-WN-JGEG (CHJ258) [EMAIL PROTECTED]
NOBLE COLLECTION
21731-B Filigree Ct
ASHBURN, VA 20147
703 858 4340
Brooke Clarke
John
sing photo transistors
and LEDs to remotely indicate the time.
Brooke Clarke
-
Hello Judith:
The Earth's magnetic field is in a constant state of change so there is no
simple answer to your question.
Every 5 years or so the World Magnetic Model is updated. This model will tell
you what the magnetic field is for a given location and date anywhere on the
Earth's surface
The October 2002 issue of Poptronics on pages 53 through 56 has an article
Sundials --- or the shadow tells all.
It's about using photo transistors and LEDs to remotely indicate the time.
Brooke Clarke
-
.
Have Fun,
Brooke Clarke
John Carmichael wrote:
My Norton Antivirus just caught a virus attachment on an email from Colonial
Brass, makers of bogus sundials. I don't think they like me!
John
John L. Carmichael Jr.
Sundial Sculptures
925 E. Foothills Dr.
Tucson Arizona 85718
USA
Tel: 520
://164.195.100.11/netacgi/nph-Parser?Sect1=PTO1Sect2=HITOFFd=PALLp=1u=/netahtml/srchnum.htmr=1f=Gl=50s1='946,223'.WKU.OS=PN/946,223RS=PN/946,223
Have Fun,
Brooke Clarke
PS the ... should keep the link from breaking
fwsawyer wrote:
The Homan sundial was also patented in the U.S.: Patent # 946,223
for the inventor on-line at that date. I'll have a look, in case, for
other UK ones using good old paper-based technology!
Andrew James
N 51 04' W 01 18'
-Original Message-
From: Brooke Clarke [mailto:[EMAIL PROTECTED]
Sent: 31 July 2002 17:03
To: sundial@rrz.uni-koeln.de
Subject: Re
Hi Anselmo:
I can see the Spanish version OK using Netscape 4.79.
Brooke Clarke
Anselmo Pérez Serrada wrote:
Dear dialists,
I am testing a minimal-preliminary-not-yet-official web page
for the Spanish
Sundial Society. At the moment you can find it (mind you, written only
Hi Richard:
It may not be that simple.
On an astronomical telescope you can align the finder scope to the main scope by
looking at the same star and using a cross hair eyepiece (which can be checked
by
rotation). Fixing a finder scope to a mechanical sundial may present an
alignment
problem.
that is privatized, but the patent number should work on the USPTO page.
http://www.pacificsites.com/~brooke/SD_Pat2.htm
If you will give me a number I'll give it a try.
Thanks,
Brooke Clarke
John Pickard wrote:
Brooke,
A couple of years back, I spent a lot of time at IP Australia (i.e.
Intellectual
Hello Mike:
Can you tell me the patent number?
The USPTO has all issued patents available free on line.
Does the UK have a similar service?
Thanks,
Brooke Clarke
The Shaws wrote:
I have recently become the proud owner of a Pilkington Gibbs
Heliochronometer:-
Globe base, Arabic numerals
Hello Tony:
Starting a couple of days ago my monitor has gone into the power saver mode at
random times and the only way to recover is to reboot.
The screen is black and the power light changed from green to yellow. The
problem only occurs during browsing and most frequently during operations
p about 20 feet.
By using a watch that was set by WWV and a template with a number of
ellipses made on white paper I tracked the ellipse until the noon alarm
went off then drove a brass tack into the wood floor. It took a few
years but the result was a very accurate noon mark.
Have Fun,
Bro
Mike:
Have a look at: http://www.pacific.net/~brooke/Sensors.html#Earth's Magnetic
shamless plug. There is a web magnetic model that depends on lat,lon, date.
Have Fun,
Brooke
Mike Cowham wrote:
Dear Expert Friends,
I have yet another question that I am sure that one of you will
e of paper with a number of ellipsis and a small hole
in the center. Using a watch synchronized to WWV and the beeper turned
on, I tracked the sun's image and stopped when the watch sounded.
Then just drive in a brass tack.
Have Fun,
Brooke Clarke
Gordon Uber wrote:
Roger, thank you for your post.
In the few books I have on sundials, they all seem to depend on either
the sun's shadow or reflection. I was searching patents (class33/269=30
patents '76-'95, class 356/130.01=2 patents '76-'95) and found a few that
used cylindrical plastic/glass lenses. Does anyone know about dials that
I found a reference to a German book on dialing on the internet. When I
went to my local bookstore ( I am way out in the country) they were not
able to get the book. Does the NASS have dialing books available from
other ocuntries? Although I do not read german, I still would like to
have
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