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GE Ceramic Coated 400W Yellow Mercury Vapor Lamp Overall View 2

GE Ceramic Coated 400W Yellow Mercury Vapor Lamp Overall View 2

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As far as I know GE was the only manufacturer of ceramic-yellow-coated mercury lamps for yellow "saturated light" (hazardous) locations. These were in production by GE and most other mercury lamp manufacturers from the late 50s through the early 70s. Per my research I have revealed that Sylvania and Amplex (the latter in 1966) were the only manufacturers who utilized "real" yellow phosphors. Westinghouse (and GE, for a while) employed a yellow heat resistant stain on their /Y lamps. All /Y lamps were made in the 400W BT-37 bulb style except for Amplex who only listed a /Y lamp and it was in the BT-28 175 W size. And with a yellow internal phosphor like the Sylvania's..to boot! HPS lamps eventually were used for "yellow" lighting as well as in 1970s MV to HPS conversions. Please note: all yellow mercury lamps are extremely rare! The GE lamp photographed is not from my collection but is unused (age undermined).

ads090203 008.jpg lites03143 002.jpg lites07214 008.jpg lites07214 001.jpg

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Filename:lites07214 008.jpg
Album name:Joe Maurath, Jr. / Joe's Pictures
Keywords:Lamps
File Size:49 KB
Date added:Aug 14, 2005
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Make:OLYMPUS OPTICAL CO.,LTD
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FGS
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Rory Mercury!


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Jul 13, 2008 at 05:04 PM Author: FGS
Have you lit this lamp up? Very nice lamp.

Why I like LEDs on top of other lighting tech?
LEDs = Upgrade 95% of the applications. (That is if you avoid eBay's LEDs).


LED brainwash? No, people uses them cuz they work well for them.





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Jul 13, 2008 at 05:37 PM Author:
He's not gonna answer..
FGS
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Rory Mercury!


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Jul 13, 2008 at 06:10 PM Author: FGS
Why not?

Why I like LEDs on top of other lighting tech?
LEDs = Upgrade 95% of the applications. (That is if you avoid eBay's LEDs).


LED brainwash? No, people uses them cuz they work well for them.

GE M-400A1
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My Pontiac 6000 STE


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Jul 13, 2008 at 09:05 PM Author: GE M-400A1
He has not logged in for three years FGS.

My Cars:

1986 Pontiac 6000 STE

1996 Chrysler Concorde LXi

1998 Chrysler Cirrus LXi

FGS
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Rory Mercury!


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Jul 14, 2008 at 03:11 AM Author: FGS
What happened? He got some great fixtures in his collection. (I have seen those pics in yahoo groups.)

Why I like LEDs on top of other lighting tech?
LEDs = Upgrade 95% of the applications. (That is if you avoid eBay's LEDs).


LED brainwash? No, people uses them cuz they work well for them.





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Dec 25, 2008 at 09:09 PM Author:
it would be a pity to smash this lamp...hmmm where is my lucky rock!
gmercury2000
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Dec 25, 2008 at 09:20 PM Author: gmercury2000
Now dont take it out on the extremly rare lamp




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Dec 25, 2008 at 09:49 PM Author:
relax im pulling your ignitor(leg).

i would never smash a lamp this rare...well at least not on purpose.

the lamp i really want to smash is that 70 watt high pressure sodium lamp that came with my new bucket light!

but i won't,i'll just see if it last's the rated 15,000 hours.
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TheDennisManNetwork photoelectric4863
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Mar 03, 2014 at 09:20 AM Author: socketgeek63
Very nice and rare MV lamp in yellow!

Long live the great old 20th century quality in electrical & lighting products!

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Sep 10, 2015 at 07:42 PM Author: ricksbulbs
I have a new old stock (NOS) never used Westinghouse H33-1 GL/Y safety yellow lamp in my collection and on display at The Edison Tech Center in Schenectady, NY! These have a transparent amber coating, as Joe M. called it "stain" on the glass, it is actually a high temperature lacquer, and is the identical coating to that used on #1157 NA "Natural Amber" turn signal bulbs for cars with clear front turn signal lenses--even cars today still use the same lamps but in the modern "parachute base" format, but some also still use the bayonet bases, like the 2057 NA which it a longer life version of the 1157 NA, and even older was the 1073 NA which had a short 500 hours main filament and 1000 hour marker filament. I think the parachute version is the 3057 NA, which my 1995 Ford van uses coincidentally! Anyway, this GE is an oldie--the simple order code and "H-1" ballast designation puts it in the early-mid fifties. I have a GE H400J1, an early color improved phosphor coated lamp, and this lamp is definitely a H400J1 color improved phosphor coated lamp with the ceramic yellow color filter. I imagine when these got high hours they'd turn really greenish, as my high-hour H400J1, which can be seen casting it's light on my Westinghouse OV-25 Silverliner early in the restoration project in my gallery here, has a beautiful very green color! I need to get some pics of that H400J1, maybe a lit pic, and also a lit and unlit pic of my Westinghouse 400/Y lamp mentioned above which is around 1963-64 vintage. Joe M was right, yellow mercury vapor lamps are super rare! I've owned 2 in my life---one was a well used version of the Westinghouse above Joe M. himself gave me, and I ended up with the NOS one in 2004, and traded off the well used one to a fellow collector. The last time I fired up the GE H400J1 was back in 2001, when I lit it on the at the time unrestored ballast of the OV-25 for testing the ballast (yeah I know, using a rare lamp to test a ballast you are uncertain of it's condition, is risky!) but that ballast, heavy rust between laminations, rusted out capacitors which I replaced, and all, ran silent, cool and ran the H400J1 beautifully---this shows my trust in Westinghouse stuff, even if it lay full of water on the dirt in my yard for 8 years until I restored it! Shows just how well made Westinghouse ballasts really were! I don't think I ever fired up the yellow lamp, and when I do it will be a very short run as these tend to discolor despite heat resistant lacquer on them! they get darker actually. Cheers all! Rick "C-6" Delair!
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Sep 10, 2015 at 07:44 PM Author: ricksbulbs
OH the yellow version of the H400J1 is the H400LB/Y lamp by the way! Rick D.
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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Sep 10, 2015 at 07:48 PM Author: Solanaceae
What ever happened to Joe?

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Sep 10, 2015 at 10:04 PM Author: socketgeek63
Awesome that you have 2 different yellow MV's that are NOS ricks bulbs!! I'm wondering that too Solanaceae, I think he has pics posted on the insulators.info website showing this bulb and some of his streetlight stuff, my favorite sections of that site are the line construction details and the insulators in service pages.

Long live the great old 20th century quality in electrical & lighting products!

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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Sep 10, 2015 at 10:12 PM Author: Solanaceae
I'm not much into insulators but I did find and bring home some black plastic/Bakelite/vulcanized rubber ones off the side of a demolished railroad.

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Sep 10, 2015 at 10:17 PM Author: socketgeek63
Cool Solanaceae!, I think those rubber or plastic ones may be made by Continental rubber works. I may have one of those, think those rubber or plastics were an first attempt to replace glass.

Long live the great old 20th century quality in electrical & lighting products!

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GoL Solanaceae.Keif.Fitz Keif Fitz bubby_keif
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Sep 10, 2015 at 10:23 PM Author: Solanaceae
Are they rare, Dennis? And feel free to call me Keif if you like.

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Sep 10, 2015 at 10:50 PM Author: tolivac
Would like to see these yellow lamps lit!Both the ceramic coated and yellow phosphor coated.Were any other colors made-think amusement parks would have liked them.
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Sep 10, 2015 at 10:54 PM Author: socketgeek63
Keif, your rubber insulators would be a more common variety, collectors pretty much favor porcelain & glass more than rubber & plastic.

Long live the great old 20th century quality in electrical & lighting products!

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SodiumVapor 105843202020668111118 UCpGClK_9OH8N4QkD1fp-jNw majorpayne1226
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Jun 19, 2017 at 05:37 PM Author: HomeBrewLamps
I want to see one of these in action.

~Owen

Mercury Vapor LampHigh Pressure Sodium Scavenger, Urban Explorer, Lighting Enthusiast and Creator of homebrewlamps Cool High Pressure SodiumMercury Vapor Lamp

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