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laser

+++

Light-emitting diode

Incandescent filament

Gas-discharge lamps (inc. flourescent lamps)

Oil or gas flame - inc. candles and with or without a mantle

Arc-lamp (obsolete)

Lime-light (obsolete but the metaphorical use of the name now arises from the original's physical use in theatres)

Luminous chemicals such as the synthetic luciferin/luciferase reaction in glow-sticks.

Stretching the point a little as they are not luminaires: CRT monitors.

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