This apparatus makes Coulomb’s Law simple for educators and students.
- Rigid Fiberboard Housing
- Hinged-Glass Front Window
- Rugged Wooden Base
- Guide Block
- Simple, Affordable Way to Demonstrate Coulomb's Law
It consists of a rigid fiberboard housing with a hinged-glass front window mounted on a rugged wooden base. The base has a groove to guide the wooden block in and out of the housing.
The bottom of the housing contains a grid, and an adjustable mirror and ruler are mounted on the back wall.
Ordering information: This apparatus includes both a Masonite and a Lucite top, a guide block, acetate and vinyl strips, graphite-coated spheres, cotton and wool cloth squares, monofilament, and polyethylene insulators.