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Clamshell and M-400 A1.
Two nice fixtures, I think the M-400 A1 is HPS, not sure though, it most likely is HPS. While the clamshell is DEFINATELY Mercury Vapor.
Keywords: American_Streetlights

Clamshell and M-400 A1.

Two nice fixtures, I think the M-400 A1 is HPS, not sure though, it most likely is HPS. While the clamshell is DEFINATELY Mercury Vapor.

050~0.JPG DSCN5249.jpg DSCN5242.jpg DSCN5253.jpg DSCN5234.jpg
File information
Filename:DSCN5242.jpg
Album name:Lil'Cinnamon / American Streetlights
Keywords:American_Streetlights
Filesize:62 KiB
Date added:Aug 21, 2011
Dimensions:1000 x 750 pixels
Displayed:90 times
Color Space:sRGB
Contrast:0
DateTime Original:2011:08:20 18:05:57
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/400 sec
FNumber:f/4.7
Flash:No Flash
Focal length:14.5 mm
ISO:100
Light Source:Unknown: 0
Make:Nikon
Max Aperture:f/2.7
Model:COOLPIX S620
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=7988
Favorites:Add to Favorites

Comment 1 to 2 of 2
Page: 1

GullWhiz   [Aug 21, 2011 at 07:05 PM]
you can try looking through the lens carefully see if the lamp looks coated or not....that's the trick!
streetlight98   [Feb 09, 2013 at 12:42 AM]
Ian, that's a M-400 split door not an M-400A. The M-400A1 didn't even exist anyways.

Comment 1 to 2 of 2
Page: 1