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Westinghouse Ceramalux 400w

Westinghouse Ceramalux 400w

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Made in October 1980. NOS, though the sleeve is pretty rough. The arc tube looks more milky white than the arc tubes of todays HPS lamps, although Westinghouse made the sapphire ones just a couple of years earlier. Look Westy eh?

image~662.jpg image~644.jpg image~542.jpg image~511.jpg

Light Information

Light Information

Manufacturer:Westinghouse
Model Reference:C400S51
Lamp
Lamp Type:High Pressure Sodium
Base:Mogul E-39s
Shape/Finish:E-18
Service Life:24,000+ hrs
Electrical
Wattage:400w
Voltage:100v
Current:about 4A
Optical
Lumen Output:50,000
Color Temperature:2100K
Color Rendering Index:22
Physical/Production
Dimensions:About 9 1/2 inches
Factory Location:Bath NY USA
Fabrication Date:October 1980
Application/Use:Street Lighting, Warehouse lighting etc

File information

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Filename:image~542.jpg
Album name:silverliner / high pressure sodium
Keywords:Lamps
File Size:1431 KB
Date added:Feb 07, 2015
Dimensions:3264 x 2448 pixels
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funkybulb
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Feb 08, 2015 at 06:39 AM Author: funkybulb
Nice find, i have one of these exsmples as well, one thing i like about oder HPS is there
Interesting warm up. Starting off MV color to warm golden glow. I kind of miss that
Now some older lamp was in use last year
Now got long gone with LED greenstar in it place .

No LED gadgets, spins too slowly.  Gotta  love preheat and MV. let the lights keep my meter spinning.

Silverliner
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Verd a ray classic.


GoL
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Feb 08, 2015 at 12:02 PM Author: Silverliner
I remember the same, enjoying that blue light for just a few minutes before the awful color lol.

May all the great lighting technologies have their place in history.

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chrislights
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Feb 08, 2015 at 01:43 PM Author: chrislights
Very interesting, I never seen Westy HPS lit on & what look like.....

Say NO to ban at Incandescent light bulbs!

FrontSideBus
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Feb 08, 2015 at 02:45 PM Author: FrontSideBus
Interesting that is has what looks to be a GE Lucalox style amalgam reservoir at one end of the lamp.

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





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Feb 08, 2015 at 04:41 PM Author:
Nice catch Dave, I also have one from August 1977. I believe that these were the last sodium lamps made by Westinghouse featuring the niobium cup seals before the company switched to the elusive wire/clamp seal design in the early 1980s (which went on to be replaced by Philips' own tubular compressive seal construction in '84-'85).
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