Industry & Technology -line art Glass manufacture Form assumed by a drinking glass in process of manufacture. Glass blowing The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice.

Industry & Technology -line art Glass manufacture Form assumed by a drinking glass in process of manufacture. Glass blowing The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice.

Industry & Technology -line art Glass manufacture Bottle mold. Glass blowing 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 Form assumed by a drinking glass in process of manufacture. Glass blowing The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice.

Industry & Technology -line art Glass manufacture Form assumed by a drinking glass in process of manufacture. Glass blowing The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice.

Industry & Technology -line art Glass manufacture Form assumed by a drinking glass in process of manufacture. Glass blowing The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice.

Industry & Technology -line art Glass manufacture Illustration General view of interior of a 19th century glass-work. The fall of Constantinople in 1254 to the Crusaders and in 1453 to the Ottoman Turks drove many Byzantine glassworkers to Venice. The V

Industry & Technology -line art Manufacturing Cutler Tools Saw