There is a free downloadable (at least in the USA) sundial book on Google:
UBER SONNENUHREN
BEUTRAGE
ZU IHRER GESCHICHTE UND KONSTRUKTION
NEBST
AUFSTELLUNG EINER FEHLERTHEORIE
DR. HANS LOSCHNER
My German is rather rusty so I haven't looked at it in detail. Lots of Trig.,
some photos.
--
Frank
Just to confirm what Harriet has told you. The Church authorities, the National
Trust and (for example) the Wye Valley AONB can only use certificated
stonemasons. You could probably easily find the most suitable locally
certificated person from the Clerk-of-Works for Durham or Newcastle ca
Dear Frank,
Yes, cement is very much frowned on by stone conservators and has been for about
20 years. Lime mortar
is more flexible so that it moves around without cracking as old buildings
shift -
that's why you sometimes see walls
Hi:
When I lived in England, I remember taking out a fascinating book from the
local library "English Stone Building" by A R Ireson. Covers types of stone in
each locality, mortar, repair and restoration with many illustrations.
Available for a song at Abe books on the web.
Fred Jaggi
Frederick
I know almost nothing about stonework restoration although I have training as a
sculptor way back when. And I am good with glass restoration. Either way, when
I lived in Somerset, England, we did use lime as I recall. Also, Jaipur is, I
understand, suffering from restoration errors. And I would
Greetings fellow dialists,
The topic of conservation is not much touched upon in the sundial list.
I am currently interested in the conservation of a sandstone church
dial. Several local church dials, some very old, have be conserved by
experienced and professional stonemasons but they have use
Mr. Leenders,
The reference can be found on page 430. It is to:
[26] Heinz Schilt. Ebene Sonnenuhren. Eigenverlag des Verfassers, CH
2502
Biel, Höheweg 5, 1990.
Regards,
Don Rogerson
On 28.01.2013 05:26, Willy Leenders wrote:
In his book "Die Sonnenuhr und ihre Theorie" (The sundial and his
In his book "Die Sonnenuhr und ihre Theorie" (The sundial and his theory) Jörg Meyer writes on page 200 (my English translation):I found the following remarkable theorem in (26):Through the point P where all the hour lines of any sundial come together, a circle is drawn.The center M and the radius
