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#39523 - 06/23/04 01:00 AM 20-year lightbulb?
pauluk Offline
Member
Registered: 08/11/01
Posts: 7520
Loc: Norfolk, England
Does anyone remember this, or know if the company is still around to back up their 20-year warranty?
www.x-entertainment.com/downloads/commercials/diolight.wmv
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#39524 - 06/23/04 06:14 PM Re: 20-year lightbulb?
Mike_Breese Offline
Junior Member
Registered: 06/06/04
Posts: 3
Loc: Guelph Ontario
Sorry Ive never heard of it, but I found a cool story on a lightbulb that has run continuously for a 100 years
http://www.firehouse.com/news/2001/6/11_bulb.html
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#39525 - 06/24/04 11:11 AM Re: 20-year lightbulb?
Bjarney Offline
Moderator
Registered: 04/10/02
Posts: 2527
Loc: West-Southern Inner-Northeast ...
Back when Hector was a pup, corrugated sleeves for packaging General Electric’s “long life” incandescent lamps had a notice that generally recommended use only for cases where

1) labor cost for replacement was very high, or,

2) electricity cost/kWh was very low.

Their apparent rationale for the notice: energy efficiency of these specific lamps was poor, so discouraged for general use.

Aside — This type of lamp was manufactured with brass-screwshell bases and not aluminum, so were desirable for cases where the lampholder screwshell was also aluminum, potentially making the lamps difficult to later replace if condensation occurred.




[This message has been edited by Bjarney (edited 06-24-2004).]
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#39526 - 06/24/04 11:35 AM Re: 20-year lightbulb?
Bill Addiss Offline
Member
Registered: 10/07/00
Posts: 3875
Loc: NY, USA
Quote:
Sorry Ive never heard of it, but I found a cool story on a lightbulb that has run continuously for a 100 years
Mike,

We have a couple threads on it in our 'Nostalgia' Area, including some additional information from it's caretakers:
http://electrical-contractor.net/ubb/Forum17/HTML/000017.html
http://electrical-contractor.net/ubb/Forum17/HTML/000016.html

Here's the 'Bulb Cam':




Bill
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#39527 - 06/24/04 01:23 PM Re: 20-year lightbulb?
BigJohn Offline
Member
Registered: 03/06/04
Posts: 391
Loc: Boston, MA
In regards to that bulb that has been running for 100+ years, I have to wonder if it is on a UPS and generator to keep it from cycling off and on during blackouts?

-John
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