Dry Field Mapping Kit for Electric Field Visualization Base Size_2.3" Eight nickel-plated aluminum forks spanning

Eight nickel-plated aluminum forks spanning C 256Hz to C 512Hz in a C-major scale

Seamless translucent silicon tubing in a 40-inch length with 11 mm outer and 7 mm bore

each structure individually labeled for plate-tectonics units

this simple tangent galvanometer turns Oersted's effect into a quantitative ammeter calibrated against Earth's field

Portable compact magnetic stirrer with a 4-inch round plate

Dry Field Mapping Kit for Electric Field Visualization Base Size_2.3" Eight nickel-plated aluminum forks spanningDesigned to let students draw their own electrodes on conductive graph paper and trace equipotential lines with a multimeter, this kit makes electric field patterns visible without high voltage.