These compact and low-cost lamps offer everything:

• Shaped to fit the hand Weighing just 21 ounces and 6 long
• Produces 4 watts of power
• Ideal for use at home or used on regular 115 volt current
• Select-O- Wave Model LS-4 features sliding wavelength selector allowing you to have long, short or both from the same tube
• Shortwave Model SW-4 emits shortwave ultraviolet
• Set Includes lamp and "The Story of Fluorescence" booklet

  SPECIAL ORDER ITEM: expect 3-6 weeks for delivery!