Title: sundial for the blind
Yes, dear Dan,
years ago it was also published in this Mailing-list from Köln! Pity, I did not save it, but I am sure you will soon get an image from somewhere!
Greetings from Germany!
Reinhold Kriegler
°°°
Hello,
I was wondering: has anyone
Hi Papa Ephraim
The method is theoretically fine - but only if:
a) one corrects for DST, longitude AND for the equation of time, which
varies the difference between local mean and local solar time by +/- quarter of
an hour depending on the time of year
b) one points the watch's hour
18, 2011 7:58 PM
To: sund...@rrz.uni-koeln.de
Subject: Re: a reverse sundial for the blind
"Reverse sundial" is a clever phrase to describe the Boy Scout method
of finding north (which I call "Seton's rule" after the organization's
founder), since Seton's rule g
"Reverse sundial" is a clever phrase to describe the Boy Scout method
of finding north (which I call "Seton's rule" after the organization's
founder), since Seton's rule gives the wrong direction in general for
the same reason that an uninclined equatorial sundial tells the wrong
time in general: t
Simon Wheaton-Smith
www.illustratingshadows.com
Silver City, New Mexico W108.2 N32.75 and
Phoenix, Arizona, W112.1 N33.5
From: John Pickard
To: byzmusic ; Sundial List
Sent: Tuesday, October 18, 2011 3:50 PM
Subject: Re: a reverse sundial for the blind
Good morning Papa,
While I realise that the &
yzmusic"
To:
Sent: Tuesday, October 11, 2011 11:43 PM
Subject: a reverse sundial for the blind
I have written the following small article to help the blind navigate using
the position of the sun. But before it is published in a periodical for the
blind, I would like to know if anyone could tel
I have written the following small article to help the blind navigate using the
position of the sun. But before it is published in a periodical for the blind,
I would like to know if anyone could tell me if all my statements are
scientifically correct.
Thank you very much.
Papa Ephraim
Here's t
Hi Sara
We have posted good photos and info text for new "Sundial For The Blind" on
the SGS website (under Etched Glass & Plastic, 21st Century).
There is also a rough English translation of the article that describes the
dial.
Hope this helps with your research
John L.
er and the project evolved from a routine sundial into a sundial for the blind. Do members of the Sundial List have any ideas on how to accomplish this goal? One idea I had is to use a glass sphere that will focus sunlight on an equatorial band with raised numerals that would get hotter than the s
Message text written by "Andrew James"
>The increased temperature on one of a number of areas could cause a
scent to evaporate most strongly there and be most detectible e.g. at
one of a number of openings. <
That's an interesting idea too. A long shot this one though.. but,
courtesy of Andrew's
Tom Egan wrote (08 March 2004 07:28)
"Let's see ... what senses are left? Smell. Taste. Sound. I'd
better quit while I'm ahead."
But perhaps we shouldn't rule them out completely, even if not
appropriate in this particular application? (I'm going to leave out
taste, though, as licking the p
Yes, I did have a modified sunshine recorder in mind, but with the touch
band not right at the focus of the sphere but adjacent to it--for the
reason you specify (risk of burns). It also occurred to me that a small
sphere might not focus too much light.
I need something that will work in a
- Original Message -
From:
Sara
Schechner
To: Sundial List
Sent: Sunday, March 07, 2004 3:52
PM
Subject: sundial for the blind
Hi there,My community, Newton, Massachusetts, has a number
of prominent schools for the blind and a strong public commitment to inclusion
of people of
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