Small Magnetic Compass for field studies in Earth science and environmental science is a low-cost compass that is ideally suited for individual labs and for tracing magnetic fields of bar magnets.
Looking for low-cost, student-size compasses? These small compasses are ideally suited for student labs and for tracing the magnetic fields of bar magnets. Plastic encasement. Size: 20mm diameter. A package of 30 compasses is also available.
1-800-452-1261
