Industry & Technology -line art Glass manufacture, 18th century Illustration The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice. The Venetians closely guarded their techniques

Industry & Technology -line art Glass manufacture, 18th century Blowing the glass Illustration The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice. The Venetians closely guarde

Industry & Technology -line art Glass manufacture, 18th century The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice. The Venetians closely guarded their techniques and a defect

Industry & Technology -line art Glass manufacture, 18th century Polishing the glass Illustration The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice. The Venetians closely guar

Industry & Technology -line art Manufacturing An 18th century lathe machine tool