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Essential Physics Demo: Large Refraction Block
The exciting demonstrations connect students to core physics and physical science concepts.
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Essential Physics Demo: Large Demonstration Lenses
Makes demonstrations viewable by the entire classroom.
Expand 5 item
E.I. Double Convex Glass Lenses
Individual spherical glass lenses.
Expand 3 item
Clear Cylindrical Lenses for Ray Optics
Ideal selection for use with a ray box.
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Lens Sets
Choose high quality crown glass or shatter-resistant acrylic lenses.
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E.I. Double Concave Glass Lenses
Individual spherical glass lenses.
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LED Ray Box
Demonstrate the optical principles of lenses and mirrors.
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Eisco Semi-Plano Glass Lenses
Individual round glass lenses made with one flat side.
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Ray Box
This updated Ray Box uses five super bright LEDs for bright, white rays that are clearly visible.
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Essential Physics Demos: Color Mixing with Light and Paint
Study the Difference Between Light and Pigment
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Optical Prisms
Right angle and equilateral prisms are available in a variety of forms.
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Optical Refraction Components
These Optical Refraction Components are made from imported optical glass or acrylic with optically worked surfaces.
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Ray Box, 3 Openings
This ray box is ideal for optical demonstrations in the classroom.
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Color Filter, Plastic
Spare color filter set to be used with Light Box and Optical Set.