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Siemens ALH (post-top version) switched on

Siemens ALH (post-top version) switched on

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Just switched on. In the background you can also see it's only remaining brother. Column height: 11 meters (it says it engraved into the column).
Note that the color of the MV lamp is not really represented correctly here (although I used manual white balance), it's actually more blue with a very slight tint of pink which suggests that the MV lamp is relatively new (the one in the other lantern is definitely older, you can tell by the very slight greenish tint).

DSCF3260_edit.JPG DSCF3472.JPG DSCF3514.JPG DSCF3481.JPG

Light Information

Light Information

Manufacturer:Siemens
Model Reference:AL 50
Lamp
Lamp Type:Mercury Vapor (coated)
Fixture
Location:Am Römertor, Wiesbaden, Germany
Electrical
Wattage:125

File information

File information

Download: Download this File
Filename:DSCF3514.JPG
Album name:Skiller / Siemens ALH lanterns (1950's/1960's)
Keywords:Lanterns
File Size:642 KB
Date added:Apr 21, 2011
Dimensions:1536 x 2048 pixels
Displayed:173 times
Date Time:2011:04:20 19:30:33
DateTime Original:2011:04:20 19:30:33
Exposure Bias:0 EV
Exposure Time:1/15 sec
FNumber:f 2.8
Flash:No Flash
Focal length:7.2 mm
ISO:800
Make:FUJIFILM
Model:FinePix F810
Quality:NORMAL
Software:Digital Camera FinePix F810 Ver1.00
White Balance:DaywhiteColor-fluorescence
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-53780
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AngryHorse
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Rich


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Apr 21, 2011 at 08:31 AM Author: AngryHorse
Great to see the mercs still in use, 11 metres for an 80watt seem a bit extreme though

Current: UK 230V, 50Hz
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arcblue
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Apr 22, 2011 at 10:41 PM Author: arcblue
There must not be much light on the ground! But nice that these survived!

I'm lampin...

Skiller
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Apr 24, 2011 at 08:08 AM Author: Skiller
Indeed there's not much light from this lantern on the ground but that's mainly because of the "gas lantern style" lanterns on the right side (not visible on that pic) which run HPS and the ridiculously over-lit street (with eye-stinging LEDs!) that was behind me from where I was standing. No cars are allowed to drive on the road that you see here and there aren't many pedestrians either so I think the light level would be quite adequate if there weren't all those surrounding lights. When these were installed streets weren't lit like football fields and I wish new HPS installations weren't so damn bright (for example an old 80w MV lantern would get replaced with a new 70W HPS fixture here!).
magslight
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Nov 19, 2011 at 05:03 PM Author: magslight
This must be btw a AL50 where the ballast is in the bracket.
Ash
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Nov 19, 2011 at 05:14 PM Author: Ash
Skiller you are in good condition. Here a merc would easily be replaced with a chandelier with 3 100W SON-T's. Then after few years light levels drop to more sane when all 3 lamps are cycling out of sync
Skiller
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Nov 19, 2011 at 05:39 PM Author: Skiller
Yeah but in the last 12 months LOTS of mercs have been replaced with new HPS fixtures in my city unfortunately.
And they will continue in spring I think.

These two lanterns you see here have very recently both been relamped with, what was a first time for me to see in street lighting, comfort MV lamps, probably Philips HPL 4 Pro 634, very nice light now and bright. It's a real beauty, considering some crappy LEDs are just a few meters away from there (first installation in my city).
Btw, although I thought they were 80W I'm now pretty sure they are actually 125W.
magslight
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Feb 25, 2012 at 04:21 PM Author: magslight
@skiller: Are they still there?
These brackets are a mystery for me. They must be made in 1959/1960. Strange made version. It is the ballast less AL 50 but in the bracket is the ballast. No idea why they made it that way too.
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Feb 25, 2012 at 04:38 PM Author: Skiller
Yes, they are still there. I now have much better pictures of them, I will send them to you now.
There is a plate at the bottom of the concrete pole where it says some things like the height (11m) and the weight (0.6 tons) of the pole. There is also a manufacturing-number that ends with "/61" on both poles, I'm pretty sure that means the poles were made in 1961.
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Feb 25, 2012 at 04:53 PM Author: magslight
Thanks.
1961 must be right.
streetlight98
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Mike McCann


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Jan 18, 2015 at 09:58 PM Author: streetlight98
Nice mercs! Here many of the residential roads are lit with 100W HPS (originaly 175W MV) which i think is good. I find 50W HPS too dim and even 70W HPS too dim in most cases. Here they replace 1000W MV with 400W HPS, 400W MV with 250W HPS, 175W MV with 100W HPS, and 100W with either 50 or 70W HPS depending on the city/town. 250W MV was never used here but if it was, 150W HPS would be used to replace it. Since there were no 250W mercs here, there are no 150W HPS.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

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