Incandescent light bulbs

electric light bulb with a resistively heated wire filament

incandescent lamp variety

world's longest-lasting light bulb

cartel to control the manufacture and sale of incandescent light bulbs

early form of incandescent lamp

type of electric lamp

jokes of the form "How many does it take to screw in a lightbulb?"

proces to phase out incandescent light bulbs for general lighting in favor of more energy-efficient lighting alternatives

light bulb