Basic Adjustable Pulley Clamp Material_Hardwood sized to handle both wall-supply

sized to handle both wall-supply and battery-circuit current measurements

dimensioned to drop into the PH0652 optical bench for hands-on study of Malus's law and crossed-polaroid extinction

Reveals Earth's internal structure through a seven-piece cross-sectional globe whose crust

Mid-size 75 x 12 x 15mm Alnico horseshoe with poles clearly indicated and a keeper to bridge the gap during storage

Basic Adjustable Pulley Clamp Material_Hardwood sized to handle both wall-supplyNylon ball bearing adjustable clamp pulley supporting low friction rotation across varied rod and stand mounts, a flexible mounting option for pulley and force demonstrations.