Fallen (almost) by chance on this page which synthesizes the different lighting technologies (particularly urban):
- FLUORESCENT TUBE:
- MERCURY VAPOR LAMP:
- METAL HALIDE LAMP:
- HIGH PRESSURE SODIUM STEAM LAMP:
- LOW PRESSURE SODIUM STEAM LAMP:
- INCANDESCENT LAMP:
- HALOGEN LAMP:
- INDUCTION LAMP:
Interesting info: spectral distribution and light output of different technologies
http://eclairagepublic.free.fr/lampes2.htm
ps: look where the LEDs are ...
Evolution of the yields of urban lighting bulbs
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Evolution of the yields of urban lighting bulbs
Last edited by Christophe the 25 / 04 / 07, 17: 50, 2 edited once.
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- elephant
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stop getting excited with the led's: it's been barely ten years since the white led's exist!
it was my dad who developed in 1947 the fluorescent tube of public lighting which lights up at - 20 ° C for the company ACEC of Charleroi.
Before Philips!
it was my dad who developed in 1947 the fluorescent tube of public lighting which lights up at - 20 ° C for the company ACEC of Charleroi.
Before Philips!
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elephant Supreme Honorary éconologue PCQ ..... I'm too cautious, not rich enough and too lazy to really save the CO2! http://www.caroloo.be
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