Introduction Chapter 1 The History of Emergence EMERGENCE PROCESS OF ZHANG HENG'S SEISMOSCOPE ZHANG HENG'S TWO SIMPLE EARTHQUAKE CONCEPTS． MANUFACTURING OF THE SEISMOSCOPE Scientific Thought to Detect Earthquake by Suspensions Trigger Mechanism Detecting Weak Signals An Innovation in Technology Recording Method in Seismometry INFLUENCE OF ZHANG HENG'S SEISMOSCOPE Deepening the Understanding of Earth quake Important Progress in Earthquake Records Weakening of Conception of God's Punishment Chapter 2 Historical Materials and Investigation HISTORICAL RECORDS Records of Many Historical Materials Scientific Connotation of Records in Ancient Literatures ARCHEOLOGICAL STUDY Excavation of Ling Observatory Unearthed Cultural Relics SEISMOLOGICAL STUDY Chapter 3 Disappearance & ScientificValue A SHORT PERIOD OF DUTY OF THE SEISMOSCOPE DECLINE OF HAN DYNASTY AND DISAPPEARANCE OF THE SEISMOSCOPE Big Fire in Luoyang and Coins Forged with Copper Wares Destroyed The 30-year Heavy Fighting SCIENTIFIC VALUE AND HISTORICAL EFFECT OF ZHANG HENG'S SEISMOSCOPE Scientific Value Birth of Modern Seismograph Chapter 4 Restoration Research SCIENTIFIC TRAIN OF THOUGHTS FOR RESTORATION RESEARCH Determination of Working Principle Scientific Train of Thought to Establish the Restored Model STRUCTURAL RESTORATION Basic Form of Structure Internal Structure RESTORATION OF FORMATION Phoenix on the Top Lid Surface Ornamentations Toad Feet of Seismoscope SCIENTIFIC TESTING CONCLUSIONS REFERENCES
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