Author Topic: Carnival vase  (Read 699 times)

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Offline dirk.

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Carnival vase
« on: October 05, 2008, 08:18:56 PM »
hi there!

long time no carnival it seems...
recently got this vase; it's clear glass with marigold iridescence.
the base is very czech-like with birdbath (love that term),
ground and polished.
height about 20cm resp. 8"
any ideas?

dirk
"Those are my principles. If you don't like them I have others." - Groucho Marx

...working on it...
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Offline Glen

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Re: Carnival vase
« Reply #1 on: October 06, 2008, 06:57:56 AM »
What an interesting (and puzzling) vase. I have not seen it before, however it has many similarities with the Rose & Drape vase. The unusual and very distinctive fluting around the top of the neck of the vase is identical to that of the Rose & Drape. The cylinder shape, polished base and panelled sides are also similar, as is the distinctive "tear drop" shape at the bottom of the panels near the base (I don't think I have described that feature very well, but it's early Monday and I have not yet had a coffee  :o)

I suspect the same maker. My current theory leans toward Poland but Czechoslovakia is not entirely ruled out.

You can see the Rose & Drape vase here
http://www.geocities.com/carni_glass_uk_2000/RoseDrape.html
and here
http://www.geocities.com/carni_glass_uk_2000/AztecRose.html

Glen

 
Just released—Carnival from Finland & Norway e-book!
Also, Riihimäki e-book and Carnival from Sweden e-book.
Sowerby e-books—three volumes available
For all info see www.thistlewoods.net
Copyright G&S Thistlewood


Offline dirk.

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Re: Carnival vase
« Reply #2 on: October 06, 2008, 02:18:46 PM »
hi Glen!

thanks for your opinion. had been to your fabulous site but
- obviously - missed that rose-drape vase. yesterday evening's
photos were a bit poor concerning the colour. here are two
further in (whatsocalled) daylight  ::)
the small vertical channels and the base in general are rather
silverish golden. is that caused by different temperatures while
the iridescence is applied? Or is it possible that the marigold
colour was done separately before?

"Those are my principles. If you don't like them I have others." - Groucho Marx

...working on it...
https://picasaweb.google.com/108140812446658939096


Offline Lustrousstone

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Re: Carnival vase
« Reply #3 on: October 06, 2008, 02:26:55 PM »
I think it's a heat thing, the hotter the glass while the metallic salts are sprayed on the better the iridescence. As far as I am aware it's a one-coat job.


Offline dirk.

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Re: Carnival vase
« Reply #4 on: October 06, 2008, 02:42:54 PM »
was just wondering why the rim's got no colour at all?
"Those are my principles. If you don't like them I have others." - Groucho Marx

...working on it...
https://picasaweb.google.com/108140812446658939096


Offline Glen

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Re: Carnival vase
« Reply #5 on: October 06, 2008, 03:21:12 PM »
As with a lot of things "Carnival", it's complicated.........  :-X

First let's look at your questions about the marigold colouring. The glass has a clear base (no colour) and would have been pressed, removed from the mould and then (while hot) sprayed with marigold iridescence. The "marigold" would not have been applied before.

The effects and varying colours that may show in the iridescence can be caused by variations in the temperature of the glass, as well as by the thickness of the glass (which would also affect its temperature) and of course, the composition of the iridescence itself.

We can go right to the top and quote from Harry Northwood to find out what effect heat had on iridescence. "Spray on the glass very hot for Matt Iridescent and not so hot for Bright Iridescent" (Harry Northwood as quoted in "Harry Northwood: The Wheeling Years": Heacock, Measell, Wiggins). The matt iridescent effect is often described as satiny, while the bright iridescence is what may be called "radium".

Chas West Wilson, in his book "Westmoreland Glass", describes an iridised sugar and cream jug where the jug had a silver iridescence and the sugar had a gold iridescence. His explanation is that "while both the sugar and the creamer were about 1000 degrees F when sprayed, the temperature of the gold sugar was slightly cooler than the silver creamerā€¯.

And then of course, the actual type of iridescent spray itself creates different colour effects. Ferric chloride produced marigold. Combine it with a second iridescent coating (perhaps a tin solution) and you'll get different colours yet again.

Imperial were renowned for their triple doping.....three lots of iridescent sprayings! A knockout effect!

http://www.geocities.com/carni_glass_uk_2000/iridescence.html  for some info on iridescence.

And now let's consider your recent question about the apparent lack of iridescent colour on the rim. Tricky question  :P. I've looked at my three vases and I can see exactly what you mean. The sides of the vase are richly iridised but that top section seems to be clear(er). It could have been done by masking that edge - but I doubt that very much. What I think has happened is that the spray has been angled at the side panels, and the rim (which slopes in and is at a different angle) has not caught the spray. That could have been accidental or intentional. I actually think it was intentional. It's a quality item, beautifully made.

Glen

Just released—Carnival from Finland & Norway e-book!
Also, Riihimäki e-book and Carnival from Sweden e-book.
Sowerby e-books—three volumes available
For all info see www.thistlewoods.net
Copyright G&S Thistlewood


Offline dirk.

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Re: Carnival vase
« Reply #6 on: October 06, 2008, 03:45:50 PM »
thanks a lot for your detailed answer - much appreciated!  :hiclp:
really no question left at the mo'
"Those are my principles. If you don't like them I have others." - Groucho Marx

...working on it...
https://picasaweb.google.com/108140812446658939096


 

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