Image: 110213 LED vs Sodium vs Mercury
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Description: 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 superiority of "blue-while" lighting is at best questionable for common road applications
Title: 110213 LED vs Sodium vs Mercury
Credit: Own work
Author: GiancarloGotta
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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