1. Vertical seismic sensor.

                2. Horizontal seismic sensor.

                3. Pendulum.

                4. Bearings.

                5. Capacitance transducer.

                6. Spring suspension of vertical pendulum.

                7. Moving-coil transducer.

                8. Holding device.

                9. Electronic boards.

                10. Plate.

        11. Legs

 

 

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