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Hi Don,
Glad to help! Herewith are two extreme examples 1. Cast
stainless steel gnomon for Melton Mowbray Rotary Club which had additional
cross bolts in the twin 12" tenon tips. "It will be in the river inside a
month!" the pessimists said and that was 10+ years ago.... and it is still in
place. ha ha!!
2. The brass dial is one of the very last pair I will ever make and it is for
my granddaughter's school. It shows my preferred method of gnomon fixing to
plate with SS taper pins. I now have many of these now surplus if you need
some. Bridgeport Milling Machine donated to a Model Engineering Club and all
chemicals poured away. I may still design sundials but others will MAKE them.
"All good things come to an end!" :-)
3. Fun but not recommended! ;-) Cartoon drawn just after my initial retirement
from dial making.
Regards,
Tony
P.S. Can't seem to attach images to this email so will send separately. T.
----Original Message----
From: [email protected]
Date: 17/05/2017 19:58
To: "[email protected]"<[email protected]>
Cc: "Donald Snyder"<[email protected]>
Subj: Re: mounting a gnomon to be thief proof
Hello
Tony,
Your comment on the sundial list about making a gnomon that is
thief proof is timely for me. I'm involved in making a
horizontal dial to be dedicated around the time of the total
solar eclipse that occurs here (Saint Louis, MO USA) on Aug.
21. The dial plate is about to be made. I am meeting next week
to discuss making and mounting the gnomon. My idea has been to
have a tenon at the bottom of the gnomon. The tenon would go
through a mortise in the plate and be secured using a support
plate screwed to the bottom of the tenon. There is still some
time to reconsider this approach. I am wondering if you have a
couple pictures you could send me of the approach you describe
in your note posted to the list. I'd appreciate any comments
you might have about this.
Don Snyder
member NASS
website http://dls-website.com
On 5/17/2017 2:30 PM, tonylindisun---
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