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Author Topic: Thread glass? from Friesland?  (Read 1348 times)

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Offline Sue C

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Re: Thread glass? from Friesland?
« Reply #10 on: February 28, 2007, 01:22:07 PM »
Ivo, if it is a single groove, ( like a record) if you put your fingernail in the groove, would it travel up or down the vase? also like a screw is threaded? :-\


Offline Frank

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Re: Thread glass? from Friesland?
« Reply #11 on: February 28, 2007, 02:44:41 PM »
A single spiral groove would make most sense, cheaper and less risk of damaging the glass.
Frank A.
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Offline Chris Harrison

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Re: Thread glass? from Friesland?
« Reply #12 on: February 28, 2007, 03:16:17 PM »
I'd go along with a date around 1900, too.
"Threading" was quite a fashionable thing to do to enamelware at that time.  Faberg√© produced some lovely spirit flasks and shot glasses/thimbles in enamelled silver.  I saw a full set not long ago with a ¬£10,000 tag on it!


Offline Frank

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Re: Thread glass? from Friesland?
« Reply #13 on: February 28, 2007, 03:34:32 PM »
Perhaps, it will be less confusing if we used grooved, either lathe or hand cut for grooved pieces and leave the term threaded for pieces with applied threading machine or hand done... else everyone will get confused.
Frank A.
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Offline karelm

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Re: Thread glass? from Friesland?
« Reply #14 on: February 28, 2007, 03:36:24 PM »
Hi,
On the 1st image above it is clear that it is a spiral groove thread as you can clearly see the groove thread is higher on the right than the left as it spirals down.  This is especialy clear on the first or second groove thread from the base.
My 5 cents worth  ;D

Edited as per Franks message above  ;D ;D ;D
Karel
"Holy cows make the best steaks"

Offline Frank

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Re: Thread glass? from Friesland?
« Reply #15 on: February 28, 2007, 04:00:39 PM »
If you are referring to Ivo's pics, then grooved is correct. If you are referring to the first link in the first post it is unclear to me as the partial image looks to have angled decoration.
Frank A.
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Offline Jay

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    • http://www.hogelandshoeve.nl
Re: Thread glass? from Friesland?
« Reply #16 on: February 28, 2007, 04:24:00 PM »

Some more pictures from Mevr. Rozema.

http://www.hogelandshoeve.nl/index67.html
Dutch 20th Century Factory Glass

Offline Jay

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Re: Thread glass? from Friesland?
« Reply #17 on: February 28, 2007, 04:28:33 PM »
Yes, some of these pieces do have silver marks, both Dutch and English marks
(precise marks not specified by Mevr. Rozema yet)
I guess that the city(assay office) of English marks would be a tenuous clue, anyway, and it's unlikely that there is a maker's mark on most such fittings.

Mine is identical to Ivo's I think. and I can't show anything better than he has.
i.e.
http://glassgallery.yobunny.org.uk/displayimage.php?pos=-5371
Dutch 20th Century Factory Glass

Offline Sue C

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Re: Thread glass? from Friesland?
« Reply #18 on: February 28, 2007, 05:50:52 PM »
It would depend on where the silver was assayed and what date year, as to clue's as to what glass houses where around the area of the assay office, and  English silver fitting's almost always have the makers mark.

Offline Frank

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Re: Thread glass? from Friesland?
« Reply #19 on: February 28, 2007, 06:09:37 PM »
Generally, you can tell nothing from the silver marks as far as the glass is concerned. It will give a clue as to when the metalwork was fitted but that is all.

The pictures of your friends are still not close enough to tell if trailed or grooved.
Frank A.
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