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Glass Identification - Post here for all ID requests => Glass => Topic started by: Baked_Beans on November 30, 2009, 08:45:14 PM

Title: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Baked_Beans on November 30, 2009, 08:45:14 PM
I'm really interested to know the history of  the contolled bubble technique in glass and when did it first start to appear ?  Any info. would be great...thanks very much.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: langhaugh on December 01, 2009, 06:00:30 AM
I know of three main means of deliberately creating bubbles in glass. First, physically creating the bubbles with either a spike mould (also called a pineapple or nail mould), or rolling the parison on a flat bed of spikes. Another layer of glass is added and bubbles remain where the the glass was penetrated. In Murano, the technique is called bullicante, but the technique is also used elsewhere. The second way is to create the bubbles by adding asomething to the glass and the reaction creates bubbles. In Murano, they usually use petrol/gasoline and call it puelgosa. But again, the same technique is used in many areas. The third is reticello, a Murano technique where the bubbles are created by adding two layers of crossing canes that trap a bubble of air in each intersection. 

It's hard to say who 'invented' the techniques. It's kind of like who invented bread or the bagpipes. Reticello is probably the easiest to say, as it was used in Murano in the 16th Century and elsewhere after that. Maurice Marinot used chemically created bubbles in his work in France in the 20's and 30's, it was used a lot in Murano in the 20's and 30's onwards, in Czecholslovakia in the 1940's, and in Scandinavia more from the 50's on. The physical creation of bubbles is harder to pin down. Murano a long time, Holland (Leerdam), Germany(WMF), Britain (Whitefriars) and Scandinavia in the 30's onwards.

This is probably much more than you wanted. Sorry if it is. As you might be able to tell, it's a topic that interests me. I may be wrong or incomplete in some of the details, but I think the general gist of what I wrote is OK.

Good luck.

David
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Baked_Beans on December 01, 2009, 04:45:13 PM
Thanks David so much for your info., that's just so superb. The reason I asked the question was that I bought a Whitefriars inkwell (green, controlled bubble) with a silver top and I think the date letter is a 1 (a number) and I think it dates from 1906. Which if I'm right would suggest Whitefriars was producing controlled bubbles in 1906. One (the number) could have been used in other years with a different shield shape so it could be later. I might be wrong with the date. Anyway you can see it by typing in the item number 230403792960 in the search field on ebay.co.uk. The last photo clearly shows the silver marks. Anyway it looks very 'Arts and Crafts'.
Thanks again for your help as it is usefull for putting a date limit on a piece of glass in some cases.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Ohio on December 01, 2009, 06:49:27 PM
Carl Erickson in the US used two different methods, first was the pea (early) (think of a tiny golf ball) that melted at a low temp & the air that was trapped in the pattern of the pea released after being inserted in the base of the piece & second was a pine tree shaped metal shaft inserted in the base & withdrawn quickly releasing air trapped in the pattern of the tree. Ken
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: langhaugh on December 02, 2009, 01:28:50 AM
Some fascinating info here. Does anybody know the date of the Whitefriars inkwell?

Ken: I knew Erickson used bubbles but I didn't know about the peas. Do you mean actual peas, or small pieces of something that wouldn't leave a residue in the glass. If I remember, Erickson came from Scandinavia. Did he work in a glass factory there?

David
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: krsilber on December 02, 2009, 02:13:08 AM
I'm interested in hearing more about the pea, too.  Do you happen to have an example?

Cool topic.  Steuben introduced bubbles into Cintra by rolling the parison on a marver covered with crushed and powdered glass, then casing it in crystal.  Cluthra had a chemical added to the glass on the marver that released gas when heated; the crystal layer had to be added rapidly to contain them.  I think it was Carder who added ash branches to pots for bubbles, but those would have been non-random.

How long does the controlled bubble in goblet stems go back?
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Ohio on December 02, 2009, 07:21:38 AM
Erickson used a glass ball the size of a pea with a surface not unlike that of a golf ball early on, however this was not his controlled bubble technique, these simply produced bubbles. These came from a Murano connection & had a low temp melting point & were in effect pushed into the bottom melting immediately allowing the trapped air in the indenation of the ball to release. The pine tree method was developed by him & resulted in almost perfect controlled bubbles. I was informed probably 30 years ago by the most advanced authority on Erickson at the time that he learned the early technique during his tenure at Pairpoint, however this gentleman also said that this technique was used for ages in Italy & did not originate in the US, we simply copied it. Maude Erickson held an auction in Lancaster in the mid 80's &  some of the pine trees were sold as well as 300 good & I mean good Erickson pieces. I was outbid on every single pine tree. Originally he was from Sweden & his grandfather & father were blowers in Reijmyre. He came to the US & enrolled in the Pairpoint apprenticeship program, completed the program & worked as a blower there for 20 years. He also worked at Libbey from 1932-36 & Blenko from 1937 to 1942 before starting his own company in Bremen. What most are not aware of is the sheer volume of glass his operation produced from 1943 to 1960, it was staggering. Maude gave a personal historical account of the operation & answered questions for a good hour & a half after the sale & even though she was quite elderly, she was as sharp as a tack. At their peak there were 25 blowers working 10 hour days, 6 days a week. A year after eBay started I joined forces with a Lancaster guy & a guy from Florida producing an educational website including over 250 photos on Erickson because 75% of what was being sold on eBay at the time was Murano, but we discontinued it after 10 months because of the sheer volume of questions we could no longer handle, however it did fairly well kill the Murano sales as Erickson market.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: langhaugh on December 02, 2009, 07:43:34 AM
Ken:  Thanks for such a  complete and comprehensible reply. I hadn't heard the melting glass pea explanation for bubbles before.

David
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Baked_Beans on December 02, 2009, 07:46:10 AM
Thanks for the comments on the inkwell . I picked it up this morning from the Post Office. It sure does look like Arts & Crafts era. Heavy at 700g so it could be used as a combined paperweight/inkwell. I will try and take some close-up pics of the hallmarks and post them here later.... might be able to get a confirmed date. Cheers, Mike.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Patrick on December 02, 2009, 10:16:25 AM
Hi Mike,
 The date of the Silver top is 1906.........  The letter 1 gives this date............ see British London Silver Hallmarks.
 Regards, Patrick.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: johnphilip on December 02, 2009, 02:19:56 PM
Well Mike yes its the James Powell and Sons silver mark and i for one would have been bidding high on it and i know a couple of dozen others .Can i have it for CHRISTMAS . :hiclp: :cry: :kissy: :thup:
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Patrick on December 02, 2009, 02:26:04 PM
Hi Mike,
     I have started a topic here on you BRILLIANT BUY............ http://www.whitefriars.com/bb_orig/viewtopic.php?t=3371

Regards, Patrick.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Patrick on December 02, 2009, 06:18:29 PM
Hi Mike,
 There have been some comments on 'Whiiefriars.com' that it could possibly be a marriage of silver to 9053 inkwell. I am currently thinking it is still good for all being 1906 and have put a design drawing circa 1906 of a vase using controlled bubbles made by Whitefriars on the post.
 Is the internal rim to the inkwell ground ? and also can you give the diameter of the glass that the silver lid fits over.
 
All best wishes ,
                    Patrick.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Baked_Beans on December 02, 2009, 07:04:54 PM
Hi Patrick,
I have read all the comments on WF.com and I am working on some photos right now which I will post here. (Not sure how to do it on WF.com , Tony did send instructions ages ago but I have lost them!...) I will also give exact measurements (I have callipers !) and weights. There is no grinding and the colour is more like forest green, it's a darkish green. The other thing that could have happened is that there could have been a reduction in the diameter of the silver sleeve to the top. Somehow it could have been taken off, cut to size and re-soldered back on. There is a join to this sleeve and the patina matches on both sides of the join (I will post photos of this). So it is my thought that neither the top nor the glass have been adjusted in any way. I think the chances of finding a top which fits almost perfectly from another WF piece are minimal. I will post the photos tonight but I have just got in !
I have been so interested in all the comments on this thread ...very interesting ! Cheers, Mike.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Baked_Beans on December 02, 2009, 07:31:12 PM
Here are some pics.. Note the black patina line on the inside of the sleeve to the silver top also a pic. of the outside down the join line. The patern of the patina continues either side of the join line. I will give measurements later..... I will have to the other photos on the next post as I have run out of photo space.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Baked_Beans on December 02, 2009, 07:33:00 PM
Here is the join, both sides.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Baked_Beans on December 02, 2009, 08:36:05 PM
Another point, the internal rim of the inkwell shows some sort of crizzling....far from grinding !!
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Baked_Beans on December 02, 2009, 09:15:51 PM
The measurements are as follows........

The diameter of the glass that the silver lid fits over is exactly 4cm.

The height is 7.4cm

The diameter of the inkwell at it's widest point is 8.8cm

The diameter of the pontil 'lens' to the base is 4.8 cm (this is to the outer edge of the wear ring (see photo of base).

The weight without the top is 1lb 7oz's (my scales are not very good!).

Thanks to all at Whitefriars.com for all the great comments....love it !!! How exciting is this ! I hope all this extra info. will sort the problem ! It's difficult making judgements without the full picture ! Cheers, Mike.
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Baked_Beans on December 02, 2009, 09:18:17 PM
P.S. The lid fits almost exactly there is hardly any play at all... about 0.5 mm's worth !
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: flying free on April 07, 2011, 08:15:55 PM
This topic slightly veered off course mid way through, but it was obviously one I remembered and something caught my eye tonight.  I've been looking through a book I have called Glass by George Savage.  It was first published in 1972, so I've no idea about the id's in it or read any reviews but I love the book.  And....getting back on track here, on page 46 there is a little beaker with controlled bubbles in it that look remarkably similar to say, a Murano bullicante piece - the caption states 'beaker of thick brownish green glass, seventeenth century'.  The bubbles are slightly larger in some areas than others but to all intents and purposes it looks to me like a controlled bubble vase with the bubbles arranged on a slight diagonal up the vase.  So if that is correct then at least 17th century?
m
Title: Re: Who invented introducing controlled bubbles in glass and when ? Please !
Post by: Baked_Beans on April 10, 2011, 01:45:54 PM
Thanks M !

I will look it up..I think I have the book somewhere..!

It's an interesting topic with some very informed comments and it did go off on a tangent (thanks to the inkwell which, for me, prompted the question)!

Going off again.... ::)......I did take the inkwell to the last Cambridge Glass Fair to show various experts on Whitefriars glass and there is still some doubt about how well the silver top fits to the glass base. The general size,shape and capacity of the well are similar to a mica inclusion example which has a similar silver top. It may not be possible,however, to prove that the glass was made at the same time as the silver top for my green, controlled bubble example.....it could well be later ... more evidence , either way, needed !

Ta, Mike.