Apparatus for introducing oxygen gas

Atomic spectral lamp

Contaminant getter on UV reflective base coat in fluorescent...

Device for maintaining constant pressure in gas discharge vessel

Electrodeless low-pressure discharge lamp

Electrodeless low-pressure mercury discharge lamp

Electron tube and a method for manufacturing same

Fed flushed with hot inert gas

Flourescent discharge tube with amalgam positioning...

Getter for a ring laser angular rate sensor

High-pressure discharge lamp

Lamp with mercury release structure and method for...

Low-pressure discharge lamp

Mercury dispensing composition containing Cu-Si alloy promoter

Mercury vapor discharge lamp containing device for heating amalg

Metal halide lamp with getter

Metal halide lamp with improved getter orientation

Opening of capsule inside sealed lamp

Restricted getter

Source of light and method for regenerating a source of light