Cross-Sectional Landform Model Set, 37", 8-Piece Type_Abacus providing the higher-precision twin-track variant

providing the higher-precision twin-track variant for EMF comparison and internal-resistance measurement by null deflection

providing waterproof

letting students rub one half against the same cloth and compare insulator and conductor behavior in triboelectric charging

letting students compare force ratios across four different radii in a single assembly

Used to substitute calibrated capacitance into AC circuits without rewiring

Cross-Sectional Landform Model Set, 37", 8-Piece Type_Abacus providing the higher-precision twin-track variantSet of eight three dimensional cross section landform models that arrange into a 37 inch continuous hand painted landscape, including a detailed lesson plan for geomorphology exercises.