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Antique Ethos
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Mid-C Trilateral Controlled-Bubble Glass Vase


Mid-century trilateral controlled-bubble sommerso glass vase from the Theresienthal glassworks, Germany c1960's. The vase is of trilateral form and of sommerso style with thick clear crystal encasing a green core. Decorated with a delicate spiral of bubbles. Ground pontil mark. The vase measures 21 cm in height, 8.5 cm in width and 8 cm depth.
The vase is in excellent condition with no chips, cracks or restoration and very minimal signs of age. Please see further images on our website as these form an important part of the description.
Often called “controlled bubble glass” but also “bullicante” – this artisan technique was especially popular with Murano as well as Scandinavian glass artists during the 1950s and 60s. During the glass-blowing process, indentations are made on the surface of a molten “portion” of glass that is malleable. Because molten glass retains its shape for a time, when the outer casing layer of glass is applied, air bubbles become trapped between the two layers. The pattern of bubbles is dependent on the pattern in which the indentations are first made as well as in how the glassblower then manipulates the molten glass. Patterned indentations are usually made by rolling the glass portion on a surface with spikes or pressing it into a conical mould with spikes on its inside. Single or multiple bubbles can also made using a hand tool to make indentations before applying the outer layer. Bubbles can also be made by adding certain substances to the glass that will release gas during the process however these will not form in a pattern. Viewing by appointment only.
Payment by PayPal or by bank transfer.
Please contact us.
SellerAntique Ethos
View all stock from
Antique Ethos

Private dealer
By appointment only
Durham
County Durham
Tel : 07841679518
Non UK callers : +44 7841679518
The vase is in excellent condition with no chips, cracks or restoration and very minimal signs of age. Please see further images on our website as these form an important part of the description.
Often called “controlled bubble glass” but also “bullicante” – this artisan technique was especially popular with Murano as well as Scandinavian glass artists during the 1950s and 60s. During the glass-blowing process, indentations are made on the surface of a molten “portion” of glass that is malleable. Because molten glass retains its shape for a time, when the outer casing layer of glass is applied, air bubbles become trapped between the two layers. The pattern of bubbles is dependent on the pattern in which the indentations are first made as well as in how the glassblower then manipulates the molten glass. Patterned indentations are usually made by rolling the glass portion on a surface with spikes or pressing it into a conical mould with spikes on its inside. Single or multiple bubbles can also made using a hand tool to make indentations before applying the outer layer. Bubbles can also be made by adding certain substances to the glass that will release gas during the process however these will not form in a pattern. Viewing by appointment only.
Payment by PayPal or by bank transfer.
Please contact us.
Price The price has been listed in British Pounds.
Conversion rates as of 23/DEC/2025. Euro & Dollar prices will vary and should only be used as a guide.
Always confirm final price with dealer. SOLD
Category Antique Glass
Date c1960s
Retro Antiques Material Glass
Origin German
Item code as930a297 / GL155
Status Sold
£0 
$0.00 
€0.00 

$

€

Conversion rates as of 23/DEC/2025. Euro & Dollar prices will vary and should only be used as a guide.
Always confirm final price with dealer. SOLD
Shipping information
Free standard delivery to the UK (4-6 working days) for smaller items – excluding mantle clocks and all furniture as well as larger/fragile ceramics and glass. Please contact us for delivery costs outside the UK and for excluded items. We will provide quotes for delivery options valid for three days. Items will be reserved for this period. For full delivery details visit the information page on our website (see our Antiques Atlas dealer page for link).
Terms and conditions
Please visit the information page on our website for our full terms and conditions (see our Antiques Atlas dealer page for link).
View all stock from
Antique Ethos

Private dealerBy appointment only
Durham
County Durham
Tel : 07841679518
Non UK callers : +44 7841679518
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