A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Two varieties...

metal vapor. The usual metals are sodium and mercury owing to their visible spectrum emission. One hundred years of research later led to lamps without...

A mercury-vapor lamp is a gas-discharge lamp that uses an electric arc through vaporized mercury to produce light. The arc discharge is generally confined...

metal-halide lamps as used in cinematography Mercury-vapor lamp Sodium-vapor lamp Neon lamp Sulfur lamp Charles Proteus Steinmetz Hordeski, Michael F. (2005)...

incandescent lamp was $280; for mercury vapor lamps, it was $128; and for low-pressure sodium vapor lamps, it was $60 a year. Meanwhile, high-pressure sodium vapor...

gas discharge tube (arc tube) and a metal cap. They include the sodium-vapor lamp that is commonly used in street lighting. Borosilicate glass melts at...

Mercury-vapor lamps and sodium vapor lamps produce light from atoms in excited states. Flammable liquids do not burn when ignited. It is the vapor cloud...

Varieties of HID lamp include: Mercury-vapor lamps Metal-halide (MH) lamps Ceramic MH lamps Sodium-vapor lamps Xenon short-arc lamps The light-producing...

and cites SLIders' claims of being able to "extinguish a row of sodium vapor lamps in sequence, each one going out as the witnesses nears it." Some proponents...

patents the coiled coil filament. 1920 Arthur Compton invents the sodium-vapor lamp. 1921 Junichi Miura creates the first incandescent lightbulb to utilize...

incandescent lamp but with the envelope containing a few droplets of mercury. In this design, the incandescent filament heats the mercury, producing a vapor which...

The sodium vapor process (occasionally referred to as yellowscreen) is a photochemical film technique for combining actors and background footage. It originated...

(used in “eraser” cleaning sponges) as a support has also been suggested. Sodium is a common component or contaminant in many samples, and its spectrum tends...

A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric...

integral PI curve Types of lamps Fluorescent lamp Compact fluorescent lamp Sodium-vapor lamp High-pressure sodium-vapor lamp "How to Choose the Proper...

implement LED street lighting in 2006. Since then, Sodium-vapor lamps were slowly being replaced by LED lamps. Photovoltaic-powered LED luminaires are gaining...

can produce misinterpretations if the light pollution changes from sodium-vapor lamp to LED. The SQM is produced by the Canadian company Unihedron in Grimsby...

of light a lamp puts out. The luminous intensity (in candelas) is a measure of how bright the beam in a particular direction is. If a lamp has a 1 lumen...

gas-discharge lamp is an electric light using a gas-filled tube; these include fluorescent lamps, metal-halide lamps, sodium-vapor lamps, and neon lights...

sodium vapor source will block the lamp light; when the magnet is turned on the lamp light will be visible through the vapor. The sodium vapor can be...

mercury vapor Metal-halide lamp – Type of lamp Sodium-vapor lamp – Type of electric gas-discharge lamp Sulfur lamp – Lighting system Xenon arc lamp – Gas...

needed] Fluorescent lamp produce ultraviolet light by a glow discharge between two electrodes in a low pressure tube of mercury vapor, which is converted...

sodium-vapor lamps use a neon Penning mixture for warm up and can be operated as giant neon lamps if operated in a low power mode. Once the neon lamp...

indicates the lamp is a sodium vapor lamp (HPS/LPS). A blue sticker indicates the lamp is mercury vapor (MV). A red sticker indicates the lamp is metal halide...

"The Low Pressure Sodium Lamp". "The Low Pressure Sodium Lamp". "Lighting Comparison: LED vs High Pressure Sodium/Low Pressure Sodium". www.stouchlighting...

fluorescent lamps[citation needed] Two systems are common: plasma lamps, in which microwaves or radio waves, energizes a bulb filled with sulfur vapor or metal...

a 1995 pop group led by Samantha Fox SOX, a type of low-pressure Sodium-vapor lamp Sox, robotic feline character from the 2022 American 3D-animated film...

and Geordie lamp Gas-discharge lamp and high-intensity discharge lamp (HID) Mercury-vapor lamp, Metal-halide (HMI, HQI, CDM), Sodium vapor or "high-pressure...

color of which will be familiar to anyone who has seen a low pressure sodium vapor lamp. In the original spectroscope design in the early 19th century, light...

reservoir into a gas chamber. Vapor from the chamber burns, heating a mantle to incandescence and also providing heat. Kerosene lamps are widely used for lighting...