Hi,
If you are a 'Sundial Messages Only' person PLEASE IGNORE THIS. For the
rest of us here are a few moments of pure and absolute delight (Sound on)
www.youtube.com/embed/ZWpLfncliwU?rel=0
Tony Moss
---
Hi all,
If anyone wishes to contact me RELIABLY please do so via <
lindisun...@gmail.com >. I have just spent a frustrating half hour replying to
a message via this talktalk/AOL (SML address) only to have it vanish without
trace.
Tony
Jack,
I did lots of anodising with very basic equipment requiring only a
large plastic bucket/tub and a variable 16volt DC electricity supply. The
electrolyte was 10% sulphuric acid and the porous anodic film built up is of
pure aluminium oxide which is extremely hard (grindstones
Hi everyone,
A few weeks ago I stood in the museum in Athens looking
reverently at the actual corroded lump of bronze now known as the Antikythera
mechanism and the various reconstructions of what it is thought to have been.
My immediate thought was HOW could its secrets
Hi Dan,
For a larger cone I would consider making a wooden 'pattern' taken
to a foundry for casting in bronze or aluminium perhaps. Most metals shrink on
cooling so the patterns should be increased slightly: 1/60 (brass and
aluminium) 1/75 (bronze). Pattern makers use special
Brilliant!...and a very elegant piece of design too.
Tony Moss
Original Message
From: peter.ma...@adelaide.edu.au
Date: 24/06/2015 0:47
To: Sundial Listsundial@uni-koeln.de
Subj: Wooden equatorial sundial kit
Hi,
This ad from Scientifics just
Hi Dan,
Allan Mills exhibited a sundial for the blind at the BSS Yarnfield
conference. A sun spot heated a narrow copper strip wound around the outside
of a cylinder with raised numerals in braille. A totlly blind person could then
'feel' the time.
I have a small jpeg if anyone
Hi,
If you are a 'sundial messages only' list member then please ignore the
following. Others will know within 10 seconds if it interests them. Sound On
and enjoy.
http://www.youtube-nocookie.com/embed/Y5XJbSqwriM?rel=0
Tony Moss---
Dear everyone,
I am so sorry to hear of Fer's passing. The dear man
was very helpful to me in the past when I was acquiring the essential skills of
a diallist and on several occasions thereafterThe World is a poorer place
without him.
Best Wishes,
Tony Moss
Beautiful! Thanks for sharing.
Tony moss
Original Message
From: dhar...@o2.pl
Date: 27/03/2015 17:29
To: sundial@uni-koeln.de
Subj: Korean paper sundial
Hello everyone
I remember here a conversation about paper or cut-out sundials. This is what I
just found:
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