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目前显示的是 四月, 2014的博文

History of paper and paper product----paper bag, paper box

A courtier named Ts'ai-Lun, from Lei-yang in  China , was the inventor of paper (not papyrus) circa  105 A .D. However, the word paper is derived from the name of the reedy plant papyrus, which grows abundantly along the  Nile   River  in  Egypt . Paper is made of pulped cellulose fibers like wood, cotton or flax. Papyrus is made from the sliced sections of the flower stem of the papyrus plant, pressed together and dried. Left Photo: Greek parchment paper General Papermaking History  Paper Online  Starting with the year 3000 BC, this is a timeline of paper invention.  American   Museum  of Papermaking  The  Robert   C.   Williams   American   Museum  is a renowned resource on the history of paper and paper technology. Virtual Tour Contents Forerunners to Paper - The Invention of Paper - The Spread of Papermaking in  Europe - The Papermaker - Dard Hunter - Papermaking Moves to th...