Many thanks to those who have answered my questions.
Geoffrey Thurston’s summary is clear and accords with the rudimentary, but
effective, instrumental approach advocated by Lancelot Hogben in his epic book,
Science for the Citizen.
Mike Shaw has added succinct advice, and the reason for choos
...and in Spain (good imitations too).
Luis
El 20/02/2017 a las 20:02, Gianni
Ferrari escribió:
The sundial
mentioned by Dan Uza is a diptych made in recent years
in imitation of those
ma
Frank King wrote:
>
> I have often pondered an even more primitive question: I am dumped on a
> desert island and I want to count the days since I arrived. What
> discipline should I follow?
>
> I could, of course, cut a notch in a stick every morning when I first
> wake up but what happens when o
Dear Doug,
The answers to your first question about
noting seasonal drift 1000 years ago have
all missed something crucial...
The astronomical comments have been very
sound but what is missing is any account
of just how you would maintain your
records?
These days you could buy a desk-top diary
a
and if your clock is only accurate to about 1 second per day you
measure at day 0 then at day 100, not consecutive nights.
Mike Shaw---
https://lists.uni-koeln.de/mailman/listinfo/sundial
Dear All,
I endorse Gianni Ferrari's comments about the
shop in Trastevere. I have visited it several
times and it is quite unlike any other shop
that I have ever been in. The owner has a
quite extraordinary selection of fascinating
items for sale.
There is a (small) market for reproduction
dip
