He looked out at the parking lot, dnder the stark light of the sodium-vapor lamps, there was no sound or motion.

Wes thought he saw an off-ramp just ahead under the pale glow of a sodium-vapor lamp.

The street was lined with bright sodium-vapor lamps and thirty-year-old, single-story homes.

They were standing at the edge of a pool of light cast by a twenty-foot-high sodium-vapor lamp.

The avenue was illuminated by the sick yellow glow of occasional sodium-vapor lamps that were very far apart.

The building itself was dark, but the road around it and the big truck lot behind were lit by sodium-vapor lamps that colored the night yellow.

The incline is lit at night by 114 high-pressure sodium-vapor lamps mounted along the sides of tracks.

The station has been renovated with new old-fashioned light fixtures with modern sodium-vapor lamps in them.

Sodium vapors are used in sodium-vapor lamps.

A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light.

Light from the last of the sodium-vapor lamps illuminated his bald head in the seconds before we entered the darkness of the empty highway.

As the parking lot's sodium-vapor lamps came on, casting yellowish light into the deepening twilight, she went to her son and stooped beside him.

A Pontiac with Washington State license plates is parked at the inner service island, under the yellow sodium-vapor lamps.

Because sodium-vapor lamps cause less light pollution than mercury-vapor lamps, many cities that have large astronomical observatories employ them.

The public parking lot of Valley Medical was nearly deserted, a patchwork of shadows and evenly spaced pools of jaundiced light from the sodium-vapor lamps.

He knew that the sodium-vapor lamps that lit New York City streets made astronomers crazy, blanking out the frequencies of light that they were most interested in.

Robert L. Coble, materials scientist who discovered the Coble creep and invented the sodium-vapor lamp (raised in Uniontown)

Every depression in the macadam was filled with a pool of rainwater, and the many wind-stirred puddles shimmered with yellow reflections of the light from the tall sodium-vapor lamps.

In a sodium-vapor lamp for example, sodium atoms are excited to the 3p level by an electrical discharge, and return to the ground state by emitting yellow light of wavelength 589 nm.

The ubiquitous high pressure sodium-vapor lamp uses a neon penning mixture for warm up and can be operated as a giant neon lamp if operated in a low power mode.

Fluorescent lamps, neon signs and sodium-vapor lamps are common examples of this kind of electric lighting, which passes an electric current through a gas to make the gas emit light.

The three most common varieties of lighting for indoor growing are high-intensity discharge lamps (the most prevalent for this application being: sodium-vapor lamps for flowering and metal halide lamps for growing), compact fluorescent lamps, and traditional fluorescent lamps.