Electric lamp comprising a lead-free glass component
Electric lamp comprising a lead-free glass component
Electric lamp having a fluorescence-suppressed quartz-glass enve
Flashbulb having hard glass containing emitter substances
Fluorescent lamp and a method of making same, and a lighting...
Glaze polished polycrystalline alumina material
Glowswitch starter with specific glass envelope composition
High intensity discharge lamp having compliant seal
High intensity discharge lamp with ultra violet absorbing envelo
High temperature glaze for metal halide arctubes
High-pressure discharge lamp and process for producing it
High-pressure discharge lamp having a ceramic discharge vessel,
Lamp having a glass lamp vessel and Glass (Na-Ca-Ba-SiO.sub.2 wi
Lamp with discharge vessel made of densely sintered translucent
Lead and arsenic free borosilicate glass and lamp containing sam
Lead and arsenic free, solarization resistant glass
Lead-free amber-colored electric lamp
Light bulb having wide angle light dispersion using...
Lighting device, components therefor and method of manufacture
Long life halogen cycle incandescent lamp and glass envelope...