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Our striking and unusual Krosno black glass range is decorated with hallmarked sterling silver. This exquisite collection includes vases, fruit bowls, tea-light holders and sweet dishes.
These stunning unique pieces of black glass are supplied by the Polish glass Company Krosno. After a very careful quality control process, Broadway Silversmiths of Birmingham manufacture the silver rim components. These are produced by hand spinning the silver and fitting each one by hand to the glass.
After the silver has been spun it is sent to the Assay Office for Hallmarking. This to ensure that there are at least 925 silver parts present per 1000 parts. In its pure state, silver, in common with other precious metals, is extremely soft and susceptible to wear and damage. For this reason, the silver is alloyed with other metals such as copper and zinc. From the buyers viewpoint, the important question is just how much other metal, has been added. For over 700 years, British hallmarks have provided an accurate answer to that question.
The black glass is created using a process known as Mouthblown glass. The artist removes a gather of glass onto the blowpipe. The gather can weigh between half a kilo to two kilos depending on the size of the object being made. After pulling the gather from the furnace a small amount of air is blown into the molten glass. The gather is rolled across a flat iron table which gives the glass its preliminary shaping.
The glassblower will blow through the pipe again and expand the piece more. It is at this point that a pontil rod can be stuck onto the bottom of the item to facilitate making a rim or rolling the cylinder of blown glass over a rod on the flat iron table. The rolling of the glass over the rods on the table will dtermine the basic shape of the vessel.
By making indentions where it is being impressed by the rods, it can change a drinking glass into a flower vase in less time than it takes to read this sentence.
These stunning unique pieces of black glass are supplied by the Polish glass Company Krosno. After a very careful quality control process, Broadway Silversmiths of Birmingham manufacture the silver rim components. These are produced by hand spinning the silver and fitting each one by hand to the glass.
After the silver has been spun it is sent to the Assay Office for Hallmarking. This to ensure that there are at least 925 silver parts present per 1000 parts. In its pure state, silver, in common with other precious metals, is extremely soft and susceptible to wear and damage. For this reason, the silver is alloyed with other metals such as copper and zinc. From the buyers viewpoint, the important question is just how much other metal, has been added. For over 700 years, British hallmarks have provided an accurate answer to that question.
The black glass is created using a process known as Mouthblown glass. The artist removes a gather of glass onto the blowpipe. The gather can weigh between half a kilo to two kilos depending on the size of the object being made. After pulling the gather from the furnace a small amount of air is blown into the molten glass. The gather is rolled across a flat iron table which gives the glass its preliminary shaping.
The glassblower will blow through the pipe again and expand the piece more. It is at this point that a pontil rod can be stuck onto the bottom of the item to facilitate making a rim or rolling the cylinder of blown glass over a rod on the flat iron table. The rolling of the glass over the rods on the table will dtermine the basic shape of the vessel.
By making indentions where it is being impressed by the rods, it can change a drinking glass into a flower vase in less time than it takes to read this sentence.