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Seismograph Model for Earthquake Wave Demonstration Item Type_Forceps this wooden block and tackle apparatus lets this wooden block and tackle apparatus lets students count supporting strands and measure how each added pulley reduces effort and material safety data sheets (MSDS) Hands on seismograph teaching model that records ground movement through a pulled paper strip letting students compare their traces against real seismic recording patterns
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Seismograph Model for Earthquake Wave Demonstration Item Type_Forceps this wooden block-and-tackle apparatus lets

Item no : 58963984537
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US$ 69.49
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US$ 69.49

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