File:110213 LED vs Sodium vs Mercury.jpg
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Size of this preview: 800 × 533 pixels. Other resolutions: 320 × 213 pixels | 640 × 427 pixels | 1,024 × 683 pixels | 1,152 × 768 pixels.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:49, 13 February 2011 | | 1,152 × 768 (89 KB) | commons>GiancarloGotta | {{Information |Description ={{en|1=Crossroad in Alessandria, Italy. Road lights with mercury lamps are in the background, LED street lights are in the middle, while high pressure sodium lamp are in the foreground. Supposed superioriry of "blue-while" l |
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