American Educational Seismograph ModelSeismograph model demonstrates the measurement of seismic waves generated by earthquakes Records the intensity of a simulated earthquake using a stylus and paper roll Tabletop unit measures 12" wide and 9" high when assembled The American Educational Seismograph Model demonstrates the measurement of seismic waves generated by earthquakes by using a stylus and paper roll to record the intensity of simulated earthquakes. This tabletop unit measures 12"
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