Industry & Technology -line art Food Processing Chocolate Mold In 1519, Montezuma introduced Cortes to a cocoa based drink. The Spanish retained a monopoly on this chocolate beverage for almost 100 years. The first chocolate was sold in England in 1657.

Industry & Technology -line art Glass manufacture, 18th century Illustration Cutting the glass 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 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 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 Illustration An 18th century lathe machine tool