Spectrum Tubes with Intensity Control and 18 Gasses In Stock Now

110 V AC Power Supply comes with an ON/OFF toggle switch as well as Light INTENSITY CONTROL. Complete set of 18 Spectrum Discharge Tubes unique gases and 110 V AC Power Supply. 18 Spectrum Tubes included are : 1. Carbon Dioxide 2. Nitrogen 3. Oxygen 4. Neon 5. Argon 6. Chlorine 7. Ammonia 8. Iodine 9. Sulphur 10. Krypton 11. Cadmium 12. Mercury Vapor 13. Alcohol Vapor 14. Water Vapor 15. Hydrogen 16. Sodium 17. Helium 18. Air Shielded and spring-loaded tube sockets for inserting and taking out tubes while preventing breakage. Flat black finish to help eliminate ambient light. The power supply has a casing that holds a 26.0cm (L) spectrum tube securely in place, and prevents the user from touching the electrodes. The supply is suitable for high school or college students, or ages 13 to 21.