RVFM E-Field Apparatus

Electric-Field-Apparatus-RVFM-52-2660-This-apparatus-is-ideal-for-demonstrating-electric-fields-between-various-electrodes-Liquid-paraffin-is-placed-in-the-90mm-diameter-petri-dish-and-semolina-or-fine-grass-seed-is-sprinkled-on-the-surface-Various-electrode-configurations-can-be-arranged-in-the-liquid-and-when-a-high-voltage-is-applied-via-the-4mm-terminals-the-field-pattern-is-generated-The-see-through-base-allows-the-pattern-to-be-projected-via-an-overhead-projector-system-RVFM-E-Field... More