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Author Topic: What do we have here?  (Read 6462 times)

Offline Lampje

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  • Posts: 21
  • Passionated Light Bulb Collector
What do we have here?
« on: June 29, 2014, 06:56:31 pm »
Hi there,

I found this lightbulb on a local action side.
Does anybody recognize it?
There are no marks on it, no exhaust tip, and I can't find out how it is made vacuum.
It measures 6.0 cm long and 3.0 cm wide
Carbon filament?

Offline FRANCO.M

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Re: What do we have here?
« Reply #1 on: July 02, 2014, 03:52:15 pm »
Hi.
This is a very strange item, and too much beautiful.
Is the socket an edison 14?
Do you think that it can be a fuse ?

Regards Franco.M

Offline Lampje

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  • Passionated Light Bulb Collector
Re: What do we have here?
« Reply #2 on: July 02, 2014, 04:11:40 pm »
Hello,

No, it is not E14 but it is an E10 base !!!!!.
I was forgotten to mention in the details.

I don't think it is a fuse.
Fin Stewart (who has a beautiful collection photo's on this Kilokat website) wrote me that it possibly could be a christmas light bulb.
He had seen a light bulb as this one before with another type of base.

But I admit it is a very strange light bulb.


Offline dfenner2

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  • Posts: 30
Re: What do we have here?
« Reply #3 on: August 12, 2014, 01:31:10 am »
I have seen these before and I do believe it is a christmas bulb.

Offline Mónico González

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  • Philips HP-80w Mercury Lamp
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Re: What do we have here?
« Reply #4 on: September 16, 2014, 05:42:47 am »
Seems to be any kind of carbon lamp to be series connected to form a Christmas or another decorative use garland. Obviously the presence of two bases in opposite ends of the bulb could confuse anyone because the absurd placing of them to be screwed to two lampholders at a time. But if we consider that this particular bulb could be used to be series chained, there is no problem to screwing wire attached lampholders to both sides one after another. Obviously the number of lamps used to make the garland could be in accordance with its own voltage drop and the total voltage at which the set could be connected.
Is the lead of each end connected to the thread and central tip at a time or instead is only the middle contact used for powering purposes while leaving insulated the threaded piece of the cap?
About vacuum tip, have you observed if it is inside one of the caps?, perhaps hidden by the adhesive mastic that sticks the glass bulb?. Obviously there is no indication about nominal voltage nor current.
Anyway nice lamp, good looking and its filament seems to be intact.
Regards.
« Last Edit: September 16, 2014, 05:44:28 am by M?nico Gonz?lez »