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26/12/1861 Inventor of the modern seismograph is born


Structure Of The Earth | The Dr. Binocs Show | Educational Videos For Kids


Structure of the Earth


How a Seismograph Works

German physicist Emil Wiechert developed the first seismograph with the inverted pendulum. This design is still in use. Wiechert used his device to develop the first verifiable model of a layered structure of the Earth. He also nearly discovered the electron but failed to recognize the meaning in his data.
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