"The Mystery of Lyle and Louise"

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Spectrum Tubes

Spectrum Tubes demonstrate the wave properties of different gases.

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E.I. Double Convex Glass Lenses

Individual spherical glass lenses.

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American Scientific Magnetic Iron Filings Chips

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

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Glass Lenses

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

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Essential Physics Demo: Large Demonstration Lenses

Clearance

Makes demonstrations viewable by the entire classroom.

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Clear Cylindrical Lenses for Ray Optics

Clearance

Ideal selection for use with a ray box.

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Eisco Double Convex Glass Lenses

Individual spherical glass lenses.

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Eisco Double Concave Glass Lenses

Individual spherical glass lenses.

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E.I. Double Concave Glass Lenses

Individual spherical glass lenses.

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Aluminum Coated Pith-Like Balls

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.

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