Fluorescent lamp producing white color illumination with multipl

Fluorescent lamp sealed with glass bead

Fluorescent lamp substantially approximating the ultraviolet spe

Fluorescent lamp substantially approximating the ultraviolet spe

Fluorescent lamp unit and lighting apparatus having the fluoresc

Fluorescent lamp using high performance phosphor blend which is

Fluorescent lamp using multi-layer phosphor coating

Fluorescent lamp using multi-layer phosphor coating

Fluorescent lamp using multi-layer phosphor coating

Fluorescent lamp utilizing terbium-activated rare earth oxyhalid

Fluorescent lamp with a by-pass means in the discharge space...

Fluorescent lamp with a low reflectivity protective film of alum

Fluorescent lamp with a mixed layer containing phosphor and meta

Fluorescent lamp with a protective assembly

Fluorescent lamp with a protective assembly

Fluorescent lamp with a protective assembly having vent holes

Fluorescent lamp with adjustable color temperature

Fluorescent lamp with amalgam container

Fluorescent lamp with an integral fail-safe and auxiliary-amalga

Fluorescent lamp with auxiliary amalgam secured to single...