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The lamp inside. Here is the lamp inside the Form 109. Is that... Metal Halide?? I looked closely and it looked like it had a metal halide lamp in it. Keywords: American_Streetlights

The lamp inside.

Here is the lamp inside the Form 109. Is that... Metal Halide?? I looked closely and it looked like it had a metal halide lamp in it.

DSCN7817.jpg DSCN7834.JPG DSCN7844.JPG 103_0005.jpg DSCN7043.jpg
File information
Filename:DSCN7844.JPG
Album name:Lil'Cinnamon / Colorado Streetlights
Keywords:American_Streetlights
Company and Date Manufactured:General Electric
Model Number:Form109
Filesize:475 KiB
Date added:Feb 20, 2012
Dimensions:3000 x 2250 pixels
Displayed:139 times
AF Focus Position:Top
Adapter:OFF
Color Mode:COLOR
Color Space:sRGB
Contrast:0
DateTime Original:0000:00:00 00:00:00
Digital Zoom:1x
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/500 sec
FNumber:f/4.2
Flash:No Flash
Flash Setting:
Focal length:18.9 mm
Focus Mode:AF-S
ISO:100
ISO Selection:AUTO
ISO Setting:0
Image Adjustment:AUTO
Light Source:Unknown: 0
Make:Nikon
Manual Focus Distance:0 m
Max Aperture:f/3.2
Model:COOLPIX S51
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=10798
Favorites:Add to Favorites

Comment 1 to 9 of 9
Page: 1

streetlight98   [Feb 20, 2012 at 06:19 PM]
No that's definetly mercury vapor. MH arc tubes are much shorter. The white on the ends is probably becuase this is either a LifeGuard or Bonusline lamp.
Silverliner14B   [Feb 21, 2012 at 06:34 AM]
Whoa thats some real heavy glass! Shocked The lamp looks like an old Westinghouse Lifeguard mercury lamp.
Form109   [Feb 21, 2012 at 12:29 PM]
shape of the Refractor looking below almost looks like a Form 400..that glass does look thick...are today's refractors this thick?
LilCinnamon   [Feb 21, 2012 at 01:30 PM]
Form 400 has the same glass design as the Original M-400 up to the M-400 R2, And the glass design has gone through several minor changes, like deepness of the refractor.
GullWhiz   [Feb 21, 2012 at 02:32 PM]
Yep it is indeed a MV lamp. Ian I suggest you start studying lamps more now to learn more about lamps. Put your streetlight "obsession" (hey we all have our obsessions, so do I!) aside, and start expanding interests that is linked to streetlighting, such as lightbulbs and photocells!!!!!!!!!!
LilCinnamon   [Feb 21, 2012 at 02:38 PM]
Well I do have a whole collection of photocells already. xD And lamps too. I am interested in the lamps too, I would like to learn more about them.
streetlight98   [Feb 21, 2012 at 03:46 PM]
I'll bet that lamp still works too. Smile
joe_347V   [Feb 21, 2012 at 09:19 PM]
I would save it if possible, that 400w BT lamp looks pretty cool.
Silverliner14B   [Feb 21, 2012 at 09:45 PM]
I am an expert on bulbs if you want to learn about oldies Smile

Comment 1 to 9 of 9
Page: 1
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