15 Watt carbon filament "Electric Flame" light bulb. This novelty bulb has an oscillating carbon filament which causes the light to flicker and imitate the look of a real gas flame. Bulb measures 5" tall by 2 3/4" wide. In this bulb the filament goes back and forth across the entire width of the bulb.
Edison bulbs have a low lumen to wattage ratio like the originals. The wattage listed is for power consumption and does not specify brightness as these bulbs are dim compared with modern bulbs. Learn about hardware >