Silk Cloth Square for Static Demonstrations, 12 x 12" Material_Bristle Bending and curving along its

Bending and curving along its 220mm length

Alnico U-shape with 45mm pole spacing concentrates the field across a small gap

and troubleshooting exercises

and inner ear sections support detailed auditory anatomy teaching at 3x enlargement for classroom visibility

sized for low-current circuit work below the 1A range where finer resolution matters more than full-scale capacity

Silk Cloth Square for Static Demonstrations, 12 x 12" Material_Bristle Bending and curving along itsUsed to draw electrons from glass and ebonite rods during rubbing, this silk square gives friction rods a strong positive charge for triboelectric and electrostatic demonstrations.