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Seismograph Model


The new, improved design of this "seismograph" is actually a pen attached to a weight suspended from a support. Vibrate the table on which the model is mounted; the support moves with vibrations of the table, but the pen remains stationary. Vibrations are recorded on a roll of paper as it is pulled through the frame. Use one model for classroom demonstrations, or several for comparison exercises. It includes a teacher's guide with lessons. Size: 12"L x 6"W x 5"H.


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WL6886H Seismograph Model
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