Spectrum Discharge Tubes, Glass tubes about 26cm long, used to show spectral lines of pure substances., Each

Details

Central capillary portion is approximately 9-10cm long with electrodes sealed at both ends and connected to lead wires protected by metal capsLoops welded to caps for electrical connectionNeeds an induction coil 5cm spark, or a suitable transformerLength of capillary portion can be varied as requiredFor intermittent use, cannot be used as lampsOptions include: Air, Argon, Carbon Dioxide, Helium gas, Hydrogen gas, Iodine, Krypton gas, Mercury gas, Neon gas, Nitrogen gas, Oxygen, Water vapor, Xenon, Bromine, and Deuterium