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Lithography

Lithography


Lithography is an incision in floor , stone calacarea . The stone appropriately smoothed and then drawn with a grease pencil , has the distinction of holding the parts not designed (called contrografismi ) a thin film of water , that the sign fat ( said graphism ) instead rejects . Passing the ink on the stone so treated , it is rejected by the parties moistened and retained by the fat . At the press, therefore , the paper sheet receives only the ink that is deposited on the drawn parts and not on the other




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