Can anyone enlighten me ?

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brian1951
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Can anyone enlighten me ?

#1

Post by brian1951 »

Found this during my renovations,
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The filament is encased inside the tube, it was buried deep in the ground, my thoughts are its a very early bulb, i cant remember seeing one like it before, any older members who can recall them ?
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RogerB
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Re: Can anyone enlighten me ?

#2

Post by RogerB »

Sorry Brian - never seen anything like that before, but then I am younger than you. :D R-
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Walkingthedog
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Re: Can anyone enlighten me ?

#3

Post by Walkingthedog »

Looks like an ordinary bulb with the glass missing. The two metal rods inside the glass should extend past the end of the long piece of glass. The filament is attached to those an held in place by two more pieces of wire attached to the end of the long piece.




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brian1951
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Re: Can anyone enlighten me ?

#4

Post by brian1951 »

No Brian, its totally encased nothing broken off, the filament is intact. Light bulbs have been about since 1870s so i will keep researching.
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Walkingthedog
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Re: Can anyone enlighten me ?

#5

Post by Walkingthedog »

I think it one of these with a built in fuse.


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RogerB
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Re: Can anyone enlighten me ?

#6

Post by RogerB »

The top edge of the bayonet connector looks as though there should be something in there, difficult to see from the angle the photo is taken from. Is there anything in there like glass or mastic? R-
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Mr Bones
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Re: Can anyone enlighten me ?

#7

Post by Mr Bones »

Could it be the inside of an old style transistor or vacuum tube?

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brian1951
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Re: Can anyone enlighten me ?

#8

Post by brian1951 »

Will clean it up later Roger. WTDs could be on to something with the fuse idea, it looks like two fuse tubes inside the main stem.
brian1951
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Re: Can anyone enlighten me ?

#9

Post by brian1951 »

The prize goes to WTD, he was right, its a double Ballotini fuse fitted inside not a filament. Cheers.
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Walkingthedog
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Re: Can anyone enlighten me ?

#10

Post by Walkingthedog »

I shall write that on the calendar :D
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