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NEON lamp

NEON lamp

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Engineering sample self ballasted neon lamp for airfield

S_004_Osram_Cs_Spektrallampe.jpg S_034_Pb.jpg P_289_b.jpg P_347__S-LAMP_-_neon_(2).jpg

Light Information

Light Information

Manufacturer:TESLA, plant No.1 Holešovice
Lamp
Lamp Type:unknown
Base:E27
Electrical
Wattage:unknown

File information

File information

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Filename:P_347__S-LAMP_-_neon_(2).jpg
Album name:Trianero2012 / Out of classification - miscellaneous
Rating (2 votes):
Keywords:Lamps
File Size:250 KB
Date added:Aug 31, 2012
Dimensions:2050 x 1383 pixels
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URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-69076
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dor123
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Aug 31, 2012 at 07:33 AM Author: dor123
OMFG, this is a SELF BALLASTED COMPACT NEON LAMP (CNL) in the shape of an ENERGY SAVING CFL!!!!!!!!
Stan, from where you have these all unusual lamp!?!?!?

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

DieselNut
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Aug 31, 2012 at 07:58 AM Author: DieselNut
That is awesome!!!!!!!!!

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

Trianero2012
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Aug 31, 2012 at 08:03 AM Author: Trianero2012
Realy VERY complicated lamp. It is a rest from formerly TESLA (Czech inland works), one prototype only, the ballast is probably damaged, the lamp is on the contrary OK.
rjluna2
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Robert


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Aug 31, 2012 at 10:20 AM Author: rjluna2
An unusual 'U' tube configuration

Pretty, please no more Chinese failure.

Ash
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Aug 31, 2012 at 12:22 PM Author: Ash
The ballast can probably be fixed. Another question is, so long tube with all those welds must be very prone to stress/breakage - a reliability issue with a lamp which is intended for airfield. Why did not they use the SL, SLS, ordinary multi-U or spiral CFL shapes instead ?
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Aug 31, 2012 at 03:21 PM Author: LegacyLighting
Another amazing lamp! Dor says OMFG for the first time in LG history.......

I wonder if there are many more in use??
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Aug 31, 2012 at 03:30 PM Author: AngryHorse
I often wonder if a LPS lamp could be made to the same configuation?

Current: UK 230V, 50Hz
Power provider: e.on energy
Street lighting in our town: Philips UniStreet LED

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dor123
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Aug 31, 2012 at 03:47 PM Author: dor123
The disadventage of multiple tubes or a helical shape in a CFL, is the light from one tube being absorbed by the other one, but in CFL the light is only partially absorbed.
But with LPS lamp this problem will be more severe, as the sodium will self-absorb all of its light, so all of the light from one tube will be self-absorbed by the sodium of the other tube, and the loss of the efficiency will be significantly higher than in a CFL.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

Ash
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Aug 31, 2012 at 03:50 PM Author: Ash
Why not ? LPS lamp can work on electronic fluorescent ballast. so just assemble it with similar base/ballast to a CFL. It is even easier with LPS as it does not need preheating

And you can use those spiral LPS that were posted here recently
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Aug 31, 2012 at 03:54 PM Author: AngryHorse
I wonder if one exsists in some test lab somewhere?, a working LPS lamp in the shape of a CFL, with electronic gear?
Philips must have had a go at one, using one of their Genies?

Current: UK 230V, 50Hz
Power provider: e.on energy
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Aug 31, 2012 at 04:03 PM Author: Kev
This is AMAZING i would LOVE one of these!

Voted to leave the EU and proud! 👉🏻🇪🇺🇬🇧

dor123
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Aug 31, 2012 at 04:06 PM Author: dor123
Ash: In a helical LPS, the case of light from one side of the spiral being absorbed by the other side of it, will be much more severe than a CFL.
In a helical CFL, the phosphors in the second side of the spiral hides only part of its light from the first side, and less some of the light to pass throguh it.
In a helical LPS, the sodium itself in the second side of the spiral re-absorbs all of its own radiation from the first side, and no light pass over it.
If you turn off a LPS, and views it in front of a warmed up LPS, all that you see through the tube of the turned off hot lamp, is the neon red light and the orange sodium light will be invisible. Similarity, if you turn off a LPS, and views it under the light of another LPS, its tube willn't be transparent at all. It will be completely opaque.
The reduction of efficiency with helical tubes, is much more severe in a LPS than in a CFL.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

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Aug 31, 2012 at 04:10 PM Author: AngryHorse
What about if they put some type of cylindrical mirror in the center of the tube?

Current: UK 230V, 50Hz
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Aug 31, 2012 at 04:36 PM Author: BG101
It looks like it was patched together from leftover parts as an experiment to see if it would work! Very clever design, must have taken ages to construct that. Would look amazing lit!


BG

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will.tobin83
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Aug 31, 2012 at 05:29 PM Author: WillTaus
That is brilliant, i would love to see this in action. the neon tube is very underrated.

Bring back Fluorescent and SOX Streetlights. Keep magnetic ballasts.


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Aug 31, 2012 at 05:30 PM Author: Ash
I think in CFL it is more severe as the light has to travel through 2 complete extra layers of phosphor

As for the cylindrical mirror, then the light will have to travel back through the same tube that emitted it instead of through the opposite one... Dont see much difference. Better would be just to not make the spiral as dense thats all
dor123
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Sep 01, 2012 at 12:02 AM Author: dor123
Ash: Definitely no. Compare between CFL, where the light travels between layers of phosphors (Which aren't 100% opaque), and LPS. when the sodium light is re-absorbed by the sodium vapour itself (Which is 100% opaque).
In a helical CFL, the phosphors hides some of its light and allows part of it to pass (Phosphors is just a layer of powder).
In a helical LPS, the sodium vapour re-absorbs all of its light, and don't lets it to pass at all.
So in a helical LPS, the drop in lm/w will be more severe than in a helical CFL.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

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Sep 01, 2012 at 04:13 AM Author: markymarks
That is one wicked looking bulb

AEI, GEC, Osram, Rexel Optispec. Manufactured 1968-2008. may they live forever in our collections.

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Sep 01, 2012 at 04:14 AM Author: FrontSideBus
I'd like a SBLPS please

UK out of the EU!
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Sep 01, 2012 at 06:15 AM Author: Globe Collector
Hot or cold cathode Stan?

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

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Sep 01, 2012 at 07:46 AM Author: Ash
For SBLPS you'd need to add outer lamp over all of it. As in the spiral LPS posted earlier on. And yes it'll work well

Dor : Look closer at the picture of that spiral LPS lamp. You can clearly see the tube that's behind through the tube that's in front, which means that a lot of the light goes through successfully. In a fluorescent CFL you can't
dor123
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Sep 01, 2012 at 08:12 AM Author: dor123
Ash: You don't understand that in a helical LPS, the light from one part of the spiral is re-absorbed by the hot sodium vapour in the other part of the spiral.
See here .

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

Ash
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Sep 01, 2012 at 08:45 AM Author: Ash
And now try to look through a fluorescent tube at a lighting fluorescent tube
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Sep 01, 2012 at 11:08 AM Author: TL8W
That would be amazing to see it work if it could be struck up. It looks like a germicidal CFL too. Sad to see Tesla go, I walked past their old factory and offices in Holešovice in 2004.

We do not have to agree on anything to be kind to one another. The ability to be civil is available to everyone on earth, for free.

dor123
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Sep 01, 2012 at 12:16 PM Author: dor123
Ash: If you look through a turned off hot LPS lamp at a turned on hot LPS, you willn't be able to see the orange light of the sodium. All that you will see, is the neon red light (All of the primary sodium light is lost).
If you looks through a turned off fluorescent lamp, at an another turned on fluorescent lamp, you will still be able to see its original light (Only fraction of the light is lost).
See what Medved wrote in this thread .

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

Ash
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Sep 01, 2012 at 02:28 PM Author: Ash
Go try it
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Sep 01, 2012 at 02:45 PM Author: f36t8
There can't be many more lamps like this in the whole world!
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Sep 01, 2012 at 06:46 PM Author: Globe Collector
I agree Lee, Tsela were on of the GREAT Eurpoean manufacturers and researchers. I only have about four Tesla lamps in my collection, three G.L.S. and one RVL-400 ? Mercury lamp. No HPS unfortunately!

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

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Brian TheTellyman
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Sep 01, 2012 at 09:04 PM Author: BG101
I just tried this Dor, I wired up a second LPS lamp and unless the sodium self-absorption disappears within less than a second of switch-off it apparently isn't the case. I currently have the two 18W SOX lamps running in here so will have another look later.

I can also clearly see the other half of the arc-tube through the first when viewed edge-on, fully warmed up.

This is the spiral LPS mentioned above


BG

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Sep 04, 2012 at 02:01 AM Author: Trianero2012
I don´t know whichever information more, because never person from formerly work Tesla remember this lamp. The mirrors are lead oxide from glass. Cold electrodes.
By the way - Tesla was really great factory, I am very proud, that I was near this plants. We was first in formerly East Europe (the countries under communists supremacy), who made metal halide and HPS lamps. I was in right time on right place. Nevertheless - I am always old, and my life power is much more weak than years before. Perhaps brain will remain OK
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Oct 18, 2012 at 09:19 PM Author: arcblue
I wonder why these have never been put on the market? I have "neon" self-ballasted lamps and CCFLs, with a cheap electronic transformer in the screw base - but never have seen anything with a neon fill & clear tubing. That would be just awesome.

I'm lampin...

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Oct 18, 2012 at 10:06 PM Author: xmaslightguy
Wow thats cool

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

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220V AC 50Hz


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Mar 27, 2019 at 03:34 PM Author: Binarix128
I never seen that lamp

-I dont speak English very well. Compact Fluorescent (PL)
-Say NO to incandescent bulbs ban! Incandescent Lamp
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