Glass Blowing Handmade Glass
The earliest evidence of glassblowing was found by Roman Ghirshman in Chogha Zanbil, where many glass bottles were found in the excavations of the 2nd millennium BC site.Later evidence comes from a collection of waste from a glass shop, including fragments of glass tubes, glass rods and tiny blown bottles, which was dumped in a mikvah, a ritual bath in the Jewish Quarter of the Old City of Jerusalem, dated from 37 to 4 BC.Some of the glass tubes recovered are fire-closed at one end and are partially inflated by blowing through the open end while still hot to form a small bottle; thus they are considered as a rudimentary form of blowpipe.
Hence, tube blowing not only represents the initial attempts of experimentation by glassworkers at blowing glass, it is also a revolutionary step that induced a change in conception and a deep understanding of glass.Such inventions swiftly eclipsed all other traditional methods, such as casting and core-forming, in working glass.
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