Tony,
Having looked up silvering in Amateur Telescope Making, Book 1,
and the Handbook of Chemistry and Physics (35th edn.) I returned
to my computer to find that Bill Maddux had beat me to it.
The latter reference recommends the Rochelle salts process
(instead of Brashear's, which uses sugar as
At 1:57 AM + 4/20/98, Tony Moss wrote:
>Fellow Shadow Watchers,
>
>A slightly off-topic request but I know there are many list members with
>an astronomical interest.
>
>Many years ago I silvered my home made telescope mirror using a recipe
>containing silver nitrate and sugar I seem to remem
Tony,
ATM - Book One, ("Amateur Telescope Making"), A G. Ingalls, Ed.,
Scientific American Press, may be the book you remember using.
You can also find instructions in older editions (into the 1950s,)
of the "Handbook of Chemistry and Physics," Chemical Rubber
Publishing Co..
Good Luck with
Fellow Shadow Watchers,
A slightly off-topic request but I know there are many list members with
an astronomical interest.
Many years ago I silvered my home made telescope mirror using a recipe
containing silver nitrate and sugar I seem to remember. It was called
'Brayshear's Process' or some
An invaluable aid to understanding Chaucer's astrolabe treatise is:
North, John D., "Chaucer's Universe", Clarendon Press, Oxford (1988).
Chaucer's treatise assumes the reader is familiar with 14th century
cosmology, an assumption that is no longer valid, particularly in the
astrological convent
Hello Mac!
Chaucer on the Astrolabe, with original illustrations, Revised from the
1931 Oxford Edition by R. C. Gunther, published by Norman Greene, 1977,
is available from the workshop of Norman Greene, P.O. Box 7657,
Berkeley, California 94707, tel. 510.524.1109.
George
Hello Mac!
Chaucer o
Hi All,
I would suggest that you find the book _All the Astrolabes_,
by Harold N. Saunders, from 1984. I got it through interlibrary
loan. It contains detailed instructions in the appendices for
calculating all curves on a variety of astrolabe types. The book
describes various types of astrola
