In the mid-1st century BC was also the technique of glassblowing in Syria and spread to Egypt and then in the Roman Empire.
The first glasses were colored green because rich iron particles which then were deleted at the time when the technique is refined.
Blowing is to withdraw from the oven where the molten glass, a certain amount of glass with an iron pipe, reed said the material is a paste-like clot, said bolus, who just removed from the oven is slightly cooled by rolling on a metal plate, and also regularize its surface giving it a cylindrical shape.
The blower then puts the barrel upright and begins to inspire with the mouth opposite the bolus, and so the bolus swells gradually.
Then the blower with mastery heats and blows in parts of the object that must be modified to achieve the form chosen.
Blowing sometimes happens while bolus is a metallic glass in this way it takes the form. Afer blowing you can also add handles, other parts of the object that you want to get with small bolus with the same procedure.
Blowing a large trade and allowed the diffusion glass across Europe and the Mediterranean.
In the 5th century.A.C. glass was used to create mosaics in Byzantine art.
In the early 10th century glassworks of the Republic of Venice glass processing reached a very high quality.
