Description

Reproduces Oersted's 1820 experiment

the shared mass isolating volume and density as the distinguishing variables across metals and polymers

expanding and closing to suit different optical-component sizes on a single bench-mounted holder

Twenty-centimeter steel helical spring paired with 2kg

Premium Single D-Size Battery Holder with Curved Sides Physics_Alternative Energy Reproduces Oersted's 1820 experimentCurved side single D cell holder in premium unbreakable plastic, sized so the heavier D cell stays seated when student built circuits are picked up, tilted, or carried between stations.

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Premium Single D-Size Battery Holder with Curved Sides Physics_Alternative Energy Reproduces Oersted's 1820 experiment

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