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Colorado Streetlights
FILE 2739/20298
Left: 1960's General Electric M-400. Right: General Electric M-400 R3.
Both Mercury Vapor.
Anyone estimate the date on the Original M-400?
File information
Filename:
DSCN6057.jpg
Album name:
Lil'Cinnamon
/
Colorado Streetlights
Filesize:
82 KiB
Date added:
Nov 12, 2011
Dimensions:
1000 x 499 pixels
Displayed:
72 times
Color Space:
sRGB
Contrast:
0
DateTime Original:
2011:11:12 15:49:51
Exposure Bias:
0 EV
Exposure Mode:
0
Exposure Program:
Program
Exposure Time:
1/640 sec
FNumber:
f/3.6
Flash:
No Flash
Focal length:
9.4 mm
ISO:
100
Light Source:
Unknown: 0
Make:
Nikon
Max Aperture:
f/3.2
Model:
COOLPIX S51
URL:
http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=9473
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Comment 1 to 3 of 3
Page:
1
Silverliner14B
[Nov 13, 2011 at 12:11 AM]
Early 60s for the M400, look it doesn't have the thumb latch.
NiMo
[Nov 13, 2011 at 02:54 AM]
About the only way to tell if it is the 1959-1961 version is if it has the orange reflector and socket gaskets.
streetlight98
[Nov 13, 2011 at 09:14 PM]
Two M-400s on the same pole.
Tha'd be cool to see these along with a M-400 split door and M-400R2. That'd be all the generations of the medium wattage GE cobraheads.
Comment 1 to 3 of 3
Page:
1