Magnetic Field Demonstrator with Vertical Coils Subcategory_Erlenmeyer Flasks Single-channel aluminum 1-meter bench with

Single-channel aluminum 1-meter bench with engraved graduations and leveling-screw feet

Erlenmeyer-flask-shape borosilicate glass mug holds 16

5-inch needle-pointed stand grips a 3/4-inch-wide bar magnet upright for hands-free study of attraction

the largest of the chrome-and-Alnico bar series for full-class field-line demonstrations

Magnetic Field Demonstrator with Vertical Coils Subcategory_Erlenmeyer Flasks Single-channel aluminum 1-meter bench withSingle turn and five turn 62mm coils of 1. 5mm copper wire on a clear acrylic base support side by side comparison of how loop count multiplies the on axis magnetic field at fixed current.