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Very dim 250w mercury floodlights These seem to be illuminated 24/7 at the entrance to Baker Street underground station in London, and as Google Maps shows these lamps have been in there a long time.

Very dim 250w mercury floodlights

These seem to be illuminated 24/7 at the entrance to Baker Street underground station in London, and as Google Maps shows these lamps have been in there a long time.

20230222_163420.jpg 20230302_141956.jpg 20230302_142743.jpg 20230302_144833.jpg 20230305_130058.jpg
File information
Filename:20230302_142743.jpg
Album name:LAllenLighting / Sightings out and about
Manufacturer:Preslite
Wattage:250w
Date manufactured:90s - 2000s
Filesize:217 KiB
Date added:02 Mar, 2023
Dimensions:1056 x 664 pixels
Displayed:22 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=18889
Favourites:Add to Favourites

Comment 1 to 4 of 4
Page: 1

Oliver   [02 Mar, 2023 at 08:44 PM]
It's surprising how much MBFU lamps can dim and still maintain an arc.
Slyspark   [03 Mar, 2023 at 01:21 AM]
I wonder how long ago these last saw a lamp change? I replaced some mercury floodlights lighting the exterior of a church about 3 yrs ago. They were installed to mark the year 2000 and when I replaced them, a few still had their original lamps. Dim, but still lit after 20 yrs!
Andy   [03 Mar, 2023 at 06:28 PM]
This is the problem with mercury lamps. They last so long, they become useless well before they get replaced but because they are still lit they are considered to be working! It's a shame as these will eventually be ripped out when all they need is relamping.
Slyspark   [03 Mar, 2023 at 09:58 PM]
Agreed and it adds to the problem then of people saying 'Oh we'll upgrade to LED, it's brighter' Well, yes, a lot of things are brighter than a very greened out merc lamp.

Comment 1 to 4 of 4
Page: 1

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