Magnetic spectrum for overhead projection : PAM067480

Simple apparatus enabling the underscoring of the lines of force of the magnetic field in 1, 2 or 3 dimensions:
the apparatus is constituted of 4 plastic plates containing in total, 376 small magnetic bars, 8 mm long.
Each plate can be used either separately or coupled to the others.

Dimension of each plate: 153 x 77 x 6 mm.

Set of 4 plates