"tube coolers"
Applied Filters
Spectrum Tubes
Spectrum Tubes demonstrate the wave properties of different gases.
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CENCO® Electrodeless Spectrum Tube Power Supply
This safe spectrum power supply features encased spectrum tubes.
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United Scientific™ Spectrum Tube
Investigate the spectral pattern of different gases.
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Spectrum Tube Power Supply
Every classroom that wants to investigate spectroscopy needs a good-quality spectrum tube and power supply.
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Hydrogen and Helium Spectrum Tube
Illustrate how spectral patterns can be analyzed from a combination of gases.
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Mysterious Magnet Tube with Steel Filings
Explore beautiful 3-D patterns created by a magnetic field mess free.
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Acrylic Refraction Cube
Ideal for Index of Refraction and Total Internal Reflection Experiments
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Hollow Acrylic Cube
Designed to study and demonstrate Snell's Law of Refraction.
Expand 1 item
LED Ray Box
Demonstrate the optical principles of lenses and mirrors.
Expand 1 item
Klinger Atomic Spectra Optical Bench
High precision, quantitative atomic spectra experiment.
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Atomic Spectra Optical Bench
High precision, quantitative atomic spectra experiment.
Expand 1 item
Ray Box
This updated Ray Box uses five super bright LEDs for bright, white rays that are clearly visible.