Description
7 inches with five 50mm steel spheres
letting students measure rotational distance against linear advance to derive the mechanical advantage of the spiral
or batteries required
sized as both a teaching demonstrator and a small-footprint bench AC supply
4-Cell D-Size Battery Holder Capacity_10mL 7 inches with five 50mmFour cell D size holder in unbreakable plastic with curved retention sides, sized to deliver 6V at the high current capacity of D cells for sustained electromagnet and motor demonstrations.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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