Be Your Own Rock and Mineral Expert Pinpointers Interference Elimination Momentary Switch

Interference Elimination Momentary Switch

Built for demanding long-term field use

Easy to cut and customize for various applications

Excellent ground visibility throughout coil

you'll help ensure years of reliable performance while avoiding unnecessary replacement costs

Be Your Own Rock and Mineral Expert Pinpointers Interference Elimination Momentary SwitchA collection of hands on experiments and activities using rocks and minerals. Topics discussed include: the Earth's crust and core; geological time scale; make your own clinometer; taking samples; collecting fossils; classifying, arranging and displaying samples; and looking at crystals.