Description
Stamped with element symbols for quick identification
Twenty-nine labeled features across outer
Removable full-term fetus in a 16
Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17
injection pump
3m Wave Form Helix Spring for Wave Motion Demonstration Science Classroom Stamped with element symbols forClosing to 3m and extending to 9m, this 20mm diameter steel helix carries longitudinal, transverse, and standing waves visibly enough to compare amplitude, frequency, and S wave vs P wave behavior.
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