The old theater's arc-lamps flickered as the projector warmed up.

The museum's display included several betty lamps from the 18th century.

At the museum's historical display, the old betty-lamps cast a soft, steady glow that transported visitors back to the 18th century.

The laboratory relied on quartz lamps to sterilize the samples before analysis.

She tucked two pocket lamps into her backpack before the night hike.

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.

We installed compact fluorescent lamps throughout the office to cut our electricity bills.

The photographer replaced the exhausted xenon flash lamps before the studio shoot.