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Worlds Oldest Lightbulb

 
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jackten47
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PostPosted: Tue Jun 28, 2011 5:36 pm    Post subject: Worlds Oldest Lightbulb Reply with quote

http://www.associatedcontent.com/article/8158565/the_worlds_oldest_light_bulb_still.html

Described in the Guinness Book of World Record's as the oldest light bulb in the world, this bulb just celebrated its 110th birthday on June 18,2011. The Livermore, Ca. Station 6 firehouse is home to this record
setting light bulb.

The 60 watt light bulb that just won't quit was installed in 1901 and has burned continuously, except for a few blackouts and some outlet moves, at it's home home in the Livermore Ca., fire station. It's used as a nightlight over the firetrucks and is never turned off.
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stuartpalmer



Joined: Fri May 06, 2011 9:30 am
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Location: Highlands of Scotland

PostPosted: Tue Jun 28, 2011 8:36 pm    Post subject: Reply with quote

That's it jinxed now then ... Wink
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Rhakios
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Joined: Thu Apr 07, 2005 12:18 am
Posts: 7634
Location: Midlands, UK

PostPosted: Tue Jun 28, 2011 9:55 pm    Post subject: Reply with quote

Even when it fails, it will still have been the world's oldest functioning lightbulb. Until another outlasts it. I'll not be waiting with bated breath for that one though.
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heiowge
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Joined: Wed Feb 27, 2008 8:21 pm
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Location: Cheshire, UK

PostPosted: Tue Jun 28, 2011 9:57 pm    Post subject: Reply with quote

I bet he didn't get it from ASDA. Laughing
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guy
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Joined: Thu Apr 07, 2005 1:07 pm
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Location: Worcestershire

PostPosted: Tue Jun 28, 2011 10:01 pm    Post subject: Reply with quote

Might possibly be that it's run at a mere 6.7% of rated power has something to do with it. I wouldn't be madly impressed by a bulb lasting 11 yrs at 67% rated power or even 7.3 yrs at 100%.

Overclocking to say 70W might have a slightly different effect on its lifespan. If its webcam is online, maybe its PSU is too.... Twisted Evil
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lok1950
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Joined: Tue May 31, 2005 6:31 am
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Location: Ottawa

PostPosted: Tue Jun 28, 2011 10:43 pm    Post subject: Reply with quote

It is run on reduced voltage Smile about 50 % IIRC heard a few interviews with the firehall lads over the years.

Enjoy the Choice Smile
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guy
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Joined: Thu Apr 07, 2005 1:07 pm
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Location: Worcestershire

PostPosted: Wed Jun 29, 2011 9:22 pm    Post subject: Reply with quote

Well, the linked article said it was run at 4W. 50% of rated power would be 30W - or, at 50% rated voltage and ignoring change of resistance with temperature, that would be 15W.
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leke
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Joined: Mon Oct 22, 2007 6:45 pm
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PostPosted: Thu Jun 30, 2011 9:00 am    Post subject: Reply with quote

Very Happy I loved the use of the verb 'overclocking' in the context of a lightbulb Very Happy
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