"The Mystery of Lyle and Louise"

Individual spherical glass lenses.

Pieces of reusable zinc-plated iron wire for magnetic field experiments.

Provide a convenient way to illustrate the properties of lenses to students.

Makes demonstrations viewable by the entire classroom.

Ideal selection for use with a ray box.

Individual spherical glass lenses.

Individual spherical glass lenses.

Individual spherical glass lenses.

For your Electrostatic Needs!

A thin aluminum coating produces great sensitivity to electrostatic charges. Styrofoam pith-like balls measure 8 mm in diameter and each has a silk suspension cord.