Dip needle, demo

For determining the direction of the earth’s magnetic field and for measuring magnetic inclination;
very sensitively fine-mounted magnetic needle, double scale:
one side to determine the cardinal direction (0… 360° in 2° graduation and indication of the cardinal points)
other side to determine the magnetic inclination (4 times 0 … 90° in 2° graduation)
mounted on rod, dia=10 mm;
length of magnetic needle: 100 mm