Small Magnetic Compass (20mm Dia)
Small Magnetic Compass (20mm Dia)
Very inexpensive magnetic compass specially suited for tracing the magnetic fields of bar magnet. Each compass has a polished aluminum case and a mounted glass top.
Small Magnetic Compass (20mm Dia)
Very inexpensive magnetic compass specially suited for tracing the magnetic fields of bar magnet. Each compass has a polished aluminum case and a mounted glass top.
