US$ 100.98
both striking the ground together
a battery-free source of partial vacuum for bell-jar demonstrations without external power
this 15-inch motion-converter model shows the engineering principle behind crankshaft pistons and rotary-to-linear mechanisms
Used to trace the invisible shape of magnetic fields
Comprehensive seven-piece acrylic blocks set at 25mm thickness
Hand Pump for Physics Demonstrations Subcategory_Wash Bottles both striking the ground togetherHand operated pressure pump supplying positive pressure for gas law, pressure vessel, and pneumatic demonstrations, a battery free source for physics classes exploring pressure behavior.
US$ 100.98
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