"tbe buffer"

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Diaphragm with 4 Double Slits of Different Spacings

Photographic diffraction objects in a slide frame.

Photographic diffraction objects in a slide frame.

Spectrum Tubes demonstrate the wave properties of different gases.

Every classroom that wants to investigate spectroscopy needs a good-quality spectrum tube and power supply.

This safe spectrum power supply features encased spectrum tubes.

Explore beautiful 3-D patterns created by a magnetic field mess free.

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