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Mercury globe fittings in a station These light the entrance of Great Portland Street underground station, they seem to me to be mercury or SBMV based on the colour, but they could be PL fittings with yellowed covers I suppose. There was 1 over the entrance running HPS, but my phone couldn't capture it.

Mercury globe fittings in a station

These light the entrance of Great Portland Street underground station, they seem to me to be mercury or SBMV based on the colour, but they could be PL fittings with yellowed covers I suppose. There was 1 over the entrance running HPS, but my phone couldn't capture it.

20221207_145346.jpg 20221207_150444.jpg 20221207_150818.jpg 20230117_150527.jpg 2023020402.jpg
File information
Filename:20221207_150818.jpg
Album name:LAllenLighting / Sightings out and about
Wattage:80w
Date manufactured:80s
Filesize:249 KiB
Date added:07 Dec, 2022
Dimensions:913 x 1301 pixels
Displayed:228 times
URL:http://80.229.24.59:9232/gallery/displayimage.php?pid=18699
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Zelandeth   [08 Dec, 2022 at 12:03 AM]
What intrigues me is that it looks like we can see a shadow of an arc tube support frame (unless there's some sort of diffuser in there - but seems unlikely with opal globes). Which would suggest a clear lamp, so could these be absolutely hammered halides?
Andy   [08 Dec, 2022 at 12:35 PM]
I reckon these are very well used clear MH lamps probably run well beyond their rated lives. What's in those nice bulkheads on the walls?

Comment 1 to 2 of 2
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