Simple Machines Screw Model US-Unavailable and flagellum
Simple Machines Screw Model US-Unavailable and flagellumSquare topped wooden screw simple machine model with a leverage block, letting students measure rotational distance against linear advance to derive the mechanical advantage of the spiral.
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Oct 5 - Oct 10