Alumina ceramic alkali metal lamp having metal getter structure
Arc discharge flash lamp and shielded cold cathode therefor
Ceramic lamp having electrodes supported by crimped tubular inle
Display panel having improved mercury assembly
Electric incandescent lamp
Electric lamp with hydrogen getter and hydrogen getter
Electric lamps and their production
Electric tungsten/bromine cycle lamp and method of manufacturing
Elongated electric incandescent lamp
Field emission electron gun
Gas discharge display panel with mercury capsule disposed in cha
Getter device with deflector
Getter holder and electric discharge tube comprising such a hold
Halogen incandescent lamp
Heating of dosing capsule
High pressure electric discharge device with hafnium getter
High pressure gas discharge lamp including a hydrogen getter
High-pressure discharge lamp
High-pressure discharge lamp
High-pressure discharge lamp