Magnetic Field Demonstrator, 3-Dimensional

A versatile and impressive tool for displaying magnetic field patterns due to a magnet on the projection screen using an overhead projector. Comprises a series of large number of iron needles mounted on a transparent acrylic plate, with a number of plates arranged radially in vertical fashion. One of the plates is removable to mount a magnet at the center, making the needles behave like a magnetic compass. The magnetic field pattern is readily visible on all the vertical plates. For U magnet – comprising 8 vertical plates arranged radially in elliptical fashion