This system is easy to use and includes a variety of safety features that make it suitable for beginning labs. Mount any of the 8 different spectral tubes into the power supply and turn it on. The 26 cm long tubes are capillary-thin over the middle 10 cm, providing sharp, bright spectra. This kit includes the 2 most common spectral elements in space (Hydrogen and Helium) and Neon for common classroom light source comparison.
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