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Sylvania T17 PH Fixture

Sylvania T17 PH Fixture

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I picked this up today from a seller on Craig's List! It's in great shape aside from the white paint on the reflector.

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Album name:don93s / lighting components
Keywords:Gear
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Date added:Apr 11, 2014
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Date Time:2014:04:11 21:13:47
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Silverliner
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Verd a ray classic.


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Apr 11, 2014 at 09:36 PM Author: Silverliner
COOL, looks just like my Sylvania preheater except mine is smaller and uses F40T12s, it belonged to Jeremiah before me.

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

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Apr 11, 2014 at 10:12 PM Author: xmaslightguy
. Awesome Find .
I try to check Craigslist atleast once per week for fluorescent stuff.
Hope to score some T17's one of these days

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

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Apr 11, 2014 at 10:59 PM Author: don93s
I got lucky to find this one. On a whim, I decided to search "shop light" aside from my typical searches for "fluorescent" and the various misspellings, lol.
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Apr 11, 2014 at 11:51 PM Author: Larry
I like it.
I have never seen these insides of one of these before.

I made one of these out of a 8 foot fixture as I figure I will never find a real one.

A sand blast and a multi coat gloss white enamel paint job would do wonders here.


May be more of these around soon since it looks like GE is either already has or is going to discontinue making the F90T17 bulbs for these according to at least two bulb suppliers I talked to this week.

Thou shalt not covet thy neighbor's GE Power Groove

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Apr 12, 2014 at 12:47 AM Author: icefoglights
Wow great find! That thing must be heavy. I have the F40 version and it's not that light.

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Apr 12, 2014 at 01:10 AM Author: Larry
I think there is more steel in that fixture than there is in a smart car.
Look at the gauge of the channel.

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Apr 12, 2014 at 05:59 AM Author: Alights
Very nice!!
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Robert


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Apr 12, 2014 at 09:13 AM Author: rjluna2
Nice find, Don

Pretty, please no more Chinese failure.

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Apr 12, 2014 at 06:00 PM Author: vintagefluorescent
Congratulations Don, Nice score .

So happy to see these beautiful T-17 fluorescent light fixtures being saved.

Within the past 10 months the following saved that I`m aware of .

2. Westinghouse T-17 fixtures from ohio .

3. Sylvania T-17 fixtures . 2 of which were rescued in little Rock ark & now this one from you & the funny part is most of these fixtures have Westy blackeners in them .

This one looks great !!!! Hope you leave it original Mine has a lot of rust soooo I have no choice but to have it restored. Im hoping they can use a metal filler in the rust cavities on mine because I do not like bondo.
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Apr 12, 2014 at 06:49 PM Author: Larry
Is this a Sylvania fixture? I did not know who made these. I am looking also. I made a 5 foot double F40T17 fixture from a 8 foot industrial fixture that looks great, but it will never be an original real F90T17. The hunt goes on.

Thou shalt not covet thy neighbor's GE Power Groove

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Apr 13, 2014 at 01:59 PM Author: don93s
When I saw the craigs list thumb pic, I thought it was a 40w then I noticed the lamp holders looked too wide, lol. As soon as realized it was T17, I knew I HAD to make that trip across town!

@Larry, yep, the fixture has a Sylvania sticker on it.
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Apr 13, 2014 at 02:14 PM Author: Larry
Yeah I know the feeling. I seen a picture of a fixture today on craigs list that look real good but the fixture was standing and taken from the rear. Said 7 foot but I figured the window in the picture was 4 foot and the fixture was about twice the length of the window so it was not one.

Wow a real Sylvania. Must have the original ballast too.

Thou shalt not covet thy neighbor's GE Power Groove

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jonathon.graves johng917 GeorgiaJohn
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Apr 14, 2014 at 10:42 AM Author: DieselNut
Do they call this a Sylvania HF200? I have lots of Sylvania HF100s (2x40) but my 2x90/100 lights are all Westinghouse, with a ballast channel similar to yours, except my ballasts are mounted on top of (outside) the housing.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Apr 14, 2014 at 07:16 PM Author: don93s
Hey John, I found what was left of the sticker floating around in there...it is a HF-235 A. It also says, "235 watts". So I guess the 2x40w are rounded off to 100w with the ballast losses for "HF-100. Interesting!
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Apr 14, 2014 at 08:35 PM Author: Larry
Page 70 shows this fixture.
http://babel.hathitrust.org/cgi/pt?id=uc1.b4263718;view=1up;seq=86

1946 publish date.

The HF235 A may be a later one than shown in the 1946 catalog as they are listed as a HF 100 and the starters are on the side of the channel. Which would not be as easy to get to as the later ones located in the reflector. Especially way up on a ladder.

I wonder what "HF' means?
Heavy fluorescent?

Thou shalt not covet thy neighbor's GE Power Groove

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jonathon.graves johng917 GeorgiaJohn
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Apr 14, 2014 at 08:47 PM Author: DieselNut
Larry, that is badass! Don, I assume so, and the 235 would seem right also with that in mind.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Apr 14, 2014 at 08:59 PM Author: icefoglights
Just need some "Cut-Out Premium" starters for it now

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jonathon.graves johng917 GeorgiaJohn
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Apr 14, 2014 at 09:14 PM Author: DieselNut
Cut out starters SUCK on 90 watt tubes! If the tube does not start in 20ish seconds, it cuts out. Some take over a minute to fire at or below freezing, so the starter cuts out and you have a dead light. 90 watt tubes suck in cold and the cut out starters hate them in cold!

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Apr 15, 2014 at 02:04 AM Author: Larry
I know it would not be original, but if the reflector was blasted and gloss white powder coated it would look just like new.
It is kind of rough looking, but there is charm in that also.

Thou shalt not covet thy neighbor's GE Power Groove

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jonathon.graves johng917 GeorgiaJohn
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Apr 15, 2014 at 08:42 AM Author: DieselNut
Kinda odd that this one does not have a porcelain reflector. I have only two Sylvania HF 100s that are not porcelain. All the Westinghouse 2x90/100s are porcelain reflectored too. Seems like around 90% of the industrial lights from this era were porcelain, which makes those like yours more rare/unique.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Apr 15, 2014 at 06:44 PM Author: xmaslightguy
@DieselNut:
wow.. that's pretty slow to start LOL
I wondered how well a F90T17 would do in cold
I really wonder if they'd fire up at all at say -10F or worse -20F

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

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jonathon.graves johng917 GeorgiaJohn
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Apr 15, 2014 at 07:20 PM Author: DieselNut
They do great in warm weather but suck in cold. I reeeeeeaalllly wish I could get ahold of the proper 100 watt tubes for these lights.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Apr 15, 2014 at 07:34 PM Author: streetlight98
Wow nice!!! No rust at all! wiring looks pretty good too from the pic.

To resist is to piss in the wind, anyone who does will end up smelling.

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Apr 15, 2014 at 09:29 PM Author: xmaslightguy
@DieselNut:
That sounds a bit like a F34T12. Do these flicker/striate on cool weather too?
To find a F100T17 would be awesome
Wasn't there a few other oddball's out there... like an 80-something watt energy saver version? And a 90w T12 with those massive endcaps that fit in T17 fistures?

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

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Apr 16, 2014 at 05:07 AM Author: streetlight98
I think GE still makes the 84W F90T17s. It's their WM version.

To resist is to piss in the wind, anyone who does will end up smelling.

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jonathon.graves johng917 GeorgiaJohn
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Apr 16, 2014 at 05:55 AM Author: DieselNut
Yes, I have some of the T12 version, both in 90 watt and the 84 watt "Econ O Watt". None of them striate like the 34 watt T12s but they do start off dim when cold. Some even act mercury starved until they warm up. The T12 versions actually start up better than most of the T17s when cold.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Apr 16, 2014 at 08:23 AM Author: don93s
I once put a pair of F90T17's on an F96/HO ballast and they actually striated just like Watt-misers! I didn't leave it on long because the lamp voltage was so mismatched plus the PH designed cathodes don't work well with 4v RS filament voltage for start up.
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jonathon.graves johng917 GeorgiaJohn
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Apr 16, 2014 at 09:39 AM Author: DieselNut
I have never seen any do that on preheat, but mine are all running on the 100 watt ballasts. The 90 watt T17s are finicky in the cold, like a Watt Miser though, but I have never had any that striate.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Apr 16, 2014 at 06:14 PM Author: Alights
I saw Dons fixture sunday, it was awesome! 1st time I've seen an F90T17 fixture in action, lots of thumping and clicking and the lamps are bright but diffused
@John:Have you tried manual preheating them? I wonder if its more a starter problem when its really cold..do all your F90T17s have truobe when its really cold?
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Apr 16, 2014 at 07:12 PM Author: DieselNut
Not all are finicky. Ironically, it seems to be more of a problem with the NOS Daylight tubes I got from TCOmega. Some acted as if they had already lost vacuum, some were super mercury starved (to be expected on a tube in storage without being lit in 30+ years) and some warmed up, then violently lost vacuum. I tested every light and had them all working before hanging them. ALL worked with the late model NOS F90T17CW tubes and the 84 and 90 watt mogul base Westinghouse tubes that were in them. I bought several ballasts and MANY nos starters, including two 12 packs of cut-out type. There were already many working starters and several working tubes but only two bad ballasts out of 26 fixtures. Cut out starters suck in cold and by what I can tell, the 90 watt Daylight T17s were about as crappy as a modern 34 watt F40T12 or a 95 watt F96T12/HO. I may move some of the fixtures into my heated shop. They work beautifully in temps above 0c/32f. Old "energy saver" 84 watt T12 tubes fire right off at well below freezing. These were definitely designed for 100 watt tubes, which for whatever reason never "caught on".

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Apr 16, 2014 at 08:09 PM Author: xmaslightguy
@don93s:
Interesting on the HO ballast... I was actually thinking one designed to power 5-foot lamps would work just fine (I've seen some F96 HO ballasts saying they'll power anything down to a F48, figured that'd be a good solution _if_ I ever find some F90T17 lamps & lampholders(the latter being the hardest part))

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

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Apr 16, 2014 at 08:30 PM Author: streetlight98
Nah i think the HO ballast would treat the lamps very well. I guess the constant RS electrode heating is a plus since they can't sputter...

To resist is to piss in the wind, anyone who does will end up smelling.

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Apr 16, 2014 at 08:34 PM Author: DieselNut
If you are going to run them that way, then why not just get the 60 inch/5 foot HO or VHO tubes and sockets? You could still retro them into a vintage fixture. T17s are cool, but the 90/100 watt ones are definitely designed for preheat only. Ballasts are all over e bay too, as well as starters and the tubes are still available through GE distributors and as private label (no name) versions. Starter sockets and tube sockets are nearly impossible to find here, although the European cutout starters use the same sockets as F90/100T17s.

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Apr 16, 2014 at 10:25 PM Author: don93s
@streetlight98, actually, the problem is that the RS electrode heating isn't enough. I've actually tried them on a 2xF48 VHO ballast (OCV is 280-350v depending on ballast) and they would only glow dim with blue glowing cathodes, and MAYBE finally go full brightness. They appear to need at least a 9v filament voltage....just like trigger start! That is pretty universal for any preheat exclusive lamp such as F20T12, etc.
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Apr 17, 2014 at 06:19 AM Author: streetlight98
Ahh i see. Do you think manual preheat would work?

To resist is to piss in the wind, anyone who does will end up smelling.

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Dec 14, 2014 at 01:55 PM Author: vytautas_lamps
WOW! you are lucky one! I live in Lithuania, I got GE BLB f40 t12 tube, I have f30t12 philips alto tube, but I was dreaming to find in Lithuania t17 tube! but that's is impossible, right?

New lighting technologies is a pity fest everywhere you look. From LEDs that last only for two months, to a never-ending global starvation of t8 fluorescent tubes.
We shall reinforce ourselves with good old full mercury t12s and HIDs made to surpass one's life, and give them all the middle finger ;

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Dec 14, 2014 at 02:13 PM Author: don93s
I'm curious as to how far there were distributed back in the day. But never say 'impossible', lol!
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