The laboratory replaced the old fixtures with more efficient quartz-iodine lamps to improve illumination.

The city replaced the old streetlights with energy-efficient sodium vapor lamps to cut down on maintenance and costs.

The old factory yard was dimly lit by several mercury-vapour lamps that hummed faintly overhead.

The old stadium relied on mercury-vapor lamps to illuminate night games, but they were costly to maintain.

The old arcade was lit by a row of neon glow lamps that hummed softly.

She compared different lamp-oils to see which burned brightest during the blackout.

She refilled the antique lantern with lamp-oil before the long winter blackout.

The lamp-posts along the river were decorated with ribbons for the festival.

I bought new lamp bulbs because the old ones were dim.

The old lamp bulb in the hallway still glows faintly each evening.