300mm Red Stackable Connecting Lead Capacity_17mL Used to extend the curvature-vs-charge-density

Used to extend the curvature-vs-charge-density study to larger geometries

showing how inclination shifts from horizontal at the equator to vertical at the poles

7cm hoop offers 5/10/15-turn taps and an included compass needle for direct deflection readings

Twenty-five-watt soldering iron with a wooden bakelite handle and a long-life pencil bit

3" (85mm) and an outer diameter of 3

300mm Red Stackable Connecting Lead Capacity_17mL Used to extend the curvature-vs-charge-densityStackable 300mm red 4mm lead rated to 12A with nickel plated split hollow safety plugs at both ends, sized for branched circuits where additional plugs share a single terminal.