US$ 29.95
Simple to use with audible and visual indication
1-1/2" Diameter (with dropper inserted)
Separate Probe
Product Dimensions (L x W x H): 279 x x 76
Technical Details:
American Educational Seismograph Model Simple to use with audibleSeismograph 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"
US$ 29.95
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