US$ 55.27
25-inch Magdeburg hemispheres with molded handles
replacing the dry-cell stack on student-circuit benches
and ring magnets with plotting compasses
and acetate strips for hollow-conductor work
Used to measure higher-current circuits up to 10 amps
Simple Machines Pendulum Model Capacity_50mL 25-inch Magdeburg hemispheres with moldedLength adjustable wooden pendulum simple machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period vs length measurements.
US$ 55.27
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