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Osram Na 45W-1 SOI/H

Osram Na 45W-1 SOI/H

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New old stock SOI/H lamp.

This second generation sodium vapour lamp succeeds the earlier lamps with separate dewar vacuum jacket.
The lamp uses a second inner glass envelope to try and reflect some of the heat back into the discharge tube to improve lamp efficiency.
SOI/H was replaced by SOX/H lamps in the mid 1970's that uses an infra-red reflective coating on the outer jacket.

osram18wsuperosx_1.jpg osram18wsuperosx_2.jpg soih45wosram_1.jpg soih45wosram_2.jpg

Light Information

Light Information

Manufacturer:Osram
Model Reference:Na 45W-1
Lamp
Lamp Type:SOdium Integral, Horizontal burning
Base:B22d
Service Life:6000h
Electrical
Wattage:45w
Current:0.6a
Optical
Lumen Output:3250lm
Color Temperature:1700k
Physical/Production
Fabrication Date:June 1962!

File information

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Filename:soih45wosram_1.jpg
Album name:FrontSideBus / HID: Sodium vapour - Low pressure
Keywords:Lamps
File Size:625 KB
Date added:Jan 16, 2013
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Date Time:2013:01:16 08:59:57
DateTime Original:2013:01:16 08:59:57
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Focal length:30.5 mm
ISO:80
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Danny
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Jan 16, 2013 at 04:34 AM Author: Danny
are these the ones from germany mate
Al_M
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GEC Z9464 90w SOX/LPS


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Jan 16, 2013 at 04:54 AM Author: Al_M
What a beautiful lamp

Traffic signals & street lighting engineer. Please bring SOX/LPS back Downunder!!





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Jan 16, 2013 at 08:32 AM Author:
We had one of these in our class at collage,wish I'd swiped it now,I remember them being heavy and solidly made things.
Danny
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Jan 16, 2013 at 08:56 AM Author: Danny
mine has just arrived! its lush




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Jan 16, 2013 at 12:29 PM Author:
Actually now i can see a bigger pic of this the one osram one at our college had a brass skirt at the BC end and no dimples in the arc tube also there was a thin wire wound around the inner arc tube,most likely a starting aid.
FrontSideBus
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Jan 16, 2013 at 01:06 PM Author: FrontSideBus
This is deffo rebranded Philips.

UK out of the EU!
http://www.lighting-gallery.net/gallery/index.php?cat=11271

Globe Collector
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Preserving the Brightest Ideas of Our Age


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Feb 02, 2014 at 06:44 PM Author: Globe Collector
Go back to the college Gav and swap it for a similar SOX, what you describe is rarer than rocking hoarse poo (with the arching fine wires)and when the college "restructures" the'll chuck it anyhow...
If you've seen it, and you know it exists, and you know where it ts, go and get it!

My motto of many years of collecting rare lamps is...

"Usually you only ever get ONE shot at acquiring a rare lamp in a single lifetime, if you are exceptionally lucky you just might get a second chance."

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

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