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McGraw Edison Unistyle 175
Here is a McGraw Edison Unistyle 175W mercury vapour street light.

Made in: USA

Manufactured: 1967
Keywords: American_Streetlights

McGraw Edison Unistyle 175

Here is a McGraw Edison Unistyle 175W mercury vapour street light.

Made in: USA

Manufactured: 1967

DSC06278.JPG DSC06686_Four_Lamper_Lit.JPG DSC05897_McGraw_Edison_Unistyle_175.JPG DSC02825.JPG DSC02092 GE M-250A.JPG
File information
Filename:DSC05897_McGraw_Edison_Unistyle_175.JPG
Album name:lite_lover / Street Light Fixtures In My Collection
Keywords:American_Streetlights
Company and Date Manufactured:McGraw Edison
Model Number:Unistyle
Wattage:175W
Lamp Type:Mercury Vapour
Filesize:59 KiB
Date added:Dec 07, 2012
Dimensions:1024 x 768 pixels
Displayed:333 times
Color Space:sRGB
Contrast:0
DateTime Original:2012:08:30 17:09:36
Exposure Bias:0 EV
Exposure Mode:0
Exposure Program:Program
Exposure Time:1/160 sec
FNumber:f/10
Flash:No Flash
Focal length:23.7 mm
ISO:100
Light Source:Unknown: 0
Make:Sony
Max Aperture:f/2.8
Model:DSC-W1
URL:http://www.galleryoflights.org/mb/gallery/displayimage.php?pid=14084
Favorites:Add to Favorites

Comment 1 to 14 of 14
Page: 1

streetlight98   [Dec 07, 2012 at 07:01 PM]
original lamp and pc? SWEET!!! Joe M has a few lights with the original accessories. Cool
joe_347V   [Dec 07, 2012 at 09:10 PM]
Nice! All the Unistyle 175s here were retrofitted to HPS so I guess only the socket and PC recept on them are original.
mercuryvaporrocks   [Dec 08, 2012 at 12:33 AM]
There used to be Unistyle 175's in my town until 4 years ago when they were wiped out by high pressure sodium street lights.
Antstar85   [Dec 08, 2012 at 12:45 AM]
They are still around here but are going quickly do to failure. Most here have the Pyrex lens.
lite_lover   [Dec 08, 2012 at 03:25 AM]
Thanks guys! @ Mike,unfortunately not the original lamp and pc,but has the original ballast.These fixtures were in use here, but were completely wiped out 20 years ago with the HPS changeover.
LampLover84   [Dec 08, 2012 at 12:44 PM]
I always loved those Unistyle 175 fixtures (Mostly because my street was lit by them when I was young) I remember when they were replaced when I was about 12 I asked for one my and the Lineman said "Here you go Kid" but my mom was like "Oh no you don't those things have mercury in them" Sad Embarrassed
GullWhiz   [Dec 08, 2012 at 02:32 PM]
There were a lot of those in PEPCO but they are disappearing fast in place of the AE 115 FCO HPS because PEPCO is going MASSIVE HPS changeout right now...

BGE does not have as many of those but they are NOT rare though. We have a long line of those near me on a road...
mercuryvaporrocks   [Dec 08, 2012 at 02:53 PM]
West Penn Power has plenty of Unistyle 175's in their area. Duquesne Light used to have many Unistyle 175's but most of them were replaced in 2007 because of several high pressure sodium upgrades. The ones that are still left will also be replaced with high pressure sodium street lights when the lamps fail since this power company doesn't want to maintain their mercury vapor street lights anymore.
joe_347V   [Dec 08, 2012 at 07:16 PM]
There's only around five or so of them left in Markham too, the retrofitted ones are slowly being replaced as the ballasts and ignitors fail since our utility dosen't replace them anymore.
Silverliner14B   [Dec 09, 2012 at 02:28 AM]
There are still a few of these in LA, all mercury vapor and still maintained. Some are on series circuits, others are on 120v circuits.
streetlight98   [Dec 09, 2012 at 06:00 PM]
How come some unistyle 175s have the PC socket at the very very back and others have it in the same spot as above? Personally i prefer the PC socket being where it is above...
NiMo   [Dec 09, 2012 at 06:50 PM]
@streetlight98, it depends on when they were manufactured and by whom. Remember that the Unistyle series were originally manufactured by Line Materials and the LM versions were the earlier ones with the P-cell closer to the tail of the fixture. Also, with the Unistyle 400, there were two different refractors used. Again, it depends on when they were manufactured and by whom.
streetlight98   [Dec 09, 2012 at 08:29 PM]
So the later ones have the PC closer to the middle?
NiMo   [Dec 10, 2012 at 10:52 AM]
Yup.

Comment 1 to 14 of 14
Page: 1