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Who invented introducing controlled bubbles in glass and when ? Please !

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krsilber:
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?

Ohio:
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.

langhaugh:
Ken:  Thanks for such a  complete and comprehensible reply. I hadn't heard the melting glass pea explanation for bubbles before.

David

Baked_Beans:
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.

Patrick:
Hi Mike,
 The date of the Silver top is 1906.........  The letter 1 gives this date............ see British London Silver Hallmarks.
 Regards, Patrick.

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