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F7210cwx all weather lamps

F7210cwx all weather lamps

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All lost vacuum. It's to bad they were loaded with mercury and a beautiful white color probably the way cwx is supposed to be. Inside etch too. I'm not to sure the date but the box has 6/11/69 on it also looks original. Oh well another set of lamps bite the dust

20170312_124722.jpg 00202_2sibd87ezSg_1200x900.jpg 14875546216731253692509.jpg 1483995958478-428194605.jpg

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Filename:14875546216731253692509.jpg
Album name:veryhighonoutput / 1500ma's!
Keywords:Lamps
File Size:387 KB
Date added:Feb 19, 2017
Dimensions:2465 x 1848 pixels
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vintagefluorescent
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Feb 19, 2017 at 08:27 PM Author: vintagefluorescent
Wow those are nice,

Since they are bad , I would at least keep them though - They are beautiful!!!!

I have a lot of vintage fluorescent bulbs that are bad but display well ,

I Have a bunch of T-17s that lost vacuum but look Great in my fixtures since I never use them ,
veryhighonoutput
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T12


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Feb 19, 2017 at 08:52 PM Author: veryhighonoutput
Great point! You never find inside etch like this anymore.

T12/ t17 there's a reason they made heavy magnetic ballasts

don93s
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Feb 19, 2017 at 09:31 PM Author: don93s
Bad seals right out of the box? Are these rated 1500ma or 800ma?
Powergroove
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Feb 19, 2017 at 09:55 PM Author: Powergroove
That sux man. Those are rated at 1500ma.

Keep government out of the lighting industry.

Silverliner
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Verd a ray classic.


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Feb 19, 2017 at 11:59 PM Author: Silverliner
They're dated February 1970. Too bad a dud batch.

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

Administrator of Lighting-Gallery.net. Need help? PM me.

veryhighonoutput
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Feb 20, 2017 at 04:44 AM Author: veryhighonoutput
Lost right out of box. When I first put them on the ends would be almost black from mercury migration they when they warmed the ends would clear up to a blueish color. The a few minutes later I'd hear slight bang and then the ballast started humming loud because these were outside in my shed. The temperature was about 40 degrees I should of tried when it was colder I'm wondering if they would have lasted longer?

T12/ t17 there's a reason they made heavy magnetic ballasts

don93s
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Mar 14, 2017 at 07:04 PM Author: don93s
Nah, the ambient temperature shouldn't have an effect normally. I've come across several lamps with lousy seals and once the glass heats up it could either fail while running or after they cool down and the glass contracts. Nothing you could have done.
veryhighonoutput
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Mar 14, 2017 at 07:15 PM Author: veryhighonoutput
I thought so. Sucks was a big disapointment was a beautiful extremly bright white too bad. Some of my pgs do the same I gess it's the nature of the beast.

T12/ t17 there's a reason they made heavy magnetic ballasts

don93s
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Mar 14, 2017 at 09:15 PM Author: don93s
Yeah, I had a bunch of F48/PG's fail out of the box. After they were run for awhile, they would just go out, or, sometimes they run fine but next time I test them, they are toast. Not sure if it is end-seals or what look like stress cracks in the glass around the grooves. Almost as if the glass wasn't annealed properly.
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Mar 15, 2017 at 10:41 AM Author: Powergroove
I had all but 1 lamp out of a case of F72 power grooves fail in this way. They would run a few hours and just go out. I did not hear any loss of vacuum or cracking sound, they just went out.

Keep government out of the lighting industry.

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