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High Pressure Sodium vs. LED in Jamaica Plain
From Jamaica Plain, Boston, MA - Crouse-Hinds L-250s and other HPS luminaires on the left, Philips Hadco RX2s on the right.
Update 8/8/2012: They've all been replaced by Philips Hadco RX1, 110 watts LED.
Keywords: American_Streetlights

High Pressure Sodium vs. LED in Jamaica Plain

From Jamaica Plain, Boston, MA - Crouse-Hinds L-250s and other HPS luminaires on the left, Philips Hadco RX2s on the right.
Update 8/8/2012: They've all been replaced by Philips Hadco RX1, 110 watts LED.

IMG_5939b.JPG IMG_5906c1.JPG IMG_5906c2.JPG IMG_5907b.JPG IMG_0001a.JPG
File information
Filename:IMG_5906e1.JPG
Album name:tpirman1982 / The Best of The Frangioso's Street Lighting Gallery
Keywords:American_Streetlights
Filesize:378 KiB
Date added:Apr 01, 2012
Dimensions:2048 x 1536 pixels
Displayed:59 times
Color Space:sRGB
DateTime Original:1980:01:01 00:00:31
Exposure Bias:0 EV
Exposure Mode:0
Exposure Time:1/1000 sec
FNumber:f/4
Flash:No Flash
Focal length:7.8125 mm
Make:Canon
Max Aperture:f/3.2
Model:Canon PowerShot A510
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=11294
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