AgentHalogen_87
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Long Live SOX!
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Of course, all sodium lamps appear orange - amber for most people. I'm talking about the ones with an orange coating on them. I've seen Rommie's Amber glassed SO/H, supposed as a darkroom safelight. I've seen Max's SOI safelightBut this is a new one. On Ebay I've just found a Philips 35 watt SOX lamp with an orange coating. The seller claims it was intended for TV high masts / tall buildings for a warning light (like the red aviation beacons). I have attached an image below. Does anyone have some insight on this? Is it just another safelight or is it genuinely a safety light? ![SOX 35 :sox35:](/Smileys/default/SOX35_Lit.png)
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Rommie
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I've seen the 45W SOI/H that James has on Lamptech, but that was definitely intended as a darkroom safelight, and also Max's one, but I've not come across a SOX version so far. Pity the paint is flaking off, or I'd be interested.
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AgentHalogen_87
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Long Live SOX!
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The paint is a shame, but who knows if there is another on about? It's on auction, so I don't want to encourage a bidding war, but right now it's at £15.00, cheaper than most SOX lamps nowadays ![Undecided :-\](/Smileys/default/undecided.gif)
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joseph_125
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Yeah the flaking paint is a shame. Hopefully a collector gets up getting it. It would be a shame if someone got this and intended to scrape off the paint in order to use it as a regular SOX lamp.
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James
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It’s interesting to see Philips continued making these orange-painted lamps far longer than they were listed in the catalogues, I did not know that a SOX version existed.
I do think it would be a darkroom safelight rather than an aerial obstruction lamp. That latter application would not be sensitive to actinic blue light and require painting. Moreover, aviation laws require the use of red obstruction lamps, usually flashing. An orange sodium colour lamp would be quite indistinguishable from ordinary ground streetlighting.
There were, however, pure neon versions of sodium lamps that were made specially for aviation lights. They were almost the same as sodium types but without the sodium, and filled with a lower neon pressure than normal to increase the light output, plus with some xenon to extend their lifetime. GE/Thorn made those until around 2005.
Good luck with the bidding on this one!
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AgentHalogen_87
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Long Live SOX!
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Thanks for the insight, James ![Smiley :)](/Smileys/default/smiley.gif)
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BT25
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Vintage HID collector.
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Very unique lamp...now I've got something else to find... ![Roll Eyes ::)](/Smileys/default/rolleyes.gif) Hmmm...I thought all SO, SOX, and SON were orange! ![LOL :lol:](/Smileys/default/lmao.gif.gif)
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Better to be silent and thought a fool than to opens one mouth and remove all doubt.
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AgentHalogen_87
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Long Live SOX!
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Oh for goodness sake ![LOL :lol:](/Smileys/default/lmao.gif.gif) I see LPS as golden and HPS as ultra warm white, with a very slight orange tinge.
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Rommie
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AgentHalogen_87
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Long Live SOX!
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I think that glass is orange, personally ![Wonder :wndr:](/Smileys/default/Wonder.gif) . Similar to my low bay, but a bit deeper in colour.
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Lampwizard
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Talking about the perception of the color of a SOX lamp: when I'm standing in a room brightly lit only by a SOX lamp (narrow pupils) then I perceive the color as a harsh yellow light with a hint of orange. However, when I'm driving on a SOX lit road when it is dark (wider pupils) then the color seems to be softer and more orange-ish than yellow. It seems as if spectral sensitivity of the eye is changing with lower illumination levels...
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Philips colour 27: best fluorescent tube colour.
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AgentHalogen_87
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Long Live SOX!
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It does. The eye's peek sensitivity changes depending on ambient light levels. Yellow in high light levels, but more green in low light levels.
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108CAM
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Diehard MV, HPS, SOX & Preheat Fluorescent Fanatic
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I originally thought that maybe it's a production sample for some kind of colour corrected LPS lamp with improved colour rendering but the TV mast seems more likely as I read the replies.
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Fluro starter pings combined with a 50hz ballast hum and blinking tubes is music to my ears.
Rest in Peace Electronic Lamp Manufacturers of Australia 1925-2002
Bring back the AJF Zodiacs!
Total incidents since joining LG: 18 Lamps accidently broken or smashed: 15 Ballast explosions/burnouts: 3
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Mandolin Girl
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I'm pretty sure it's a darkroom safelight, the 45W SOI/H ones I've seen were certainly made for that purpose ![Wonder :wndr:](/Smileys/default/Wonder.gif)
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Mandolin Girl
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