Incandescent Bulbs

[Jack Brindle]

Wow! And to think light bulbs were only invented maybe 150 years ago.  
I didn't think that Livermore was around 1006 years ago, much less  
have a light bulb (or fire station)...

Yeah, I have keyboard slips from time to time also. But it is fun  
being a smart-alec when someone else does it... ;-)


On Jan 12, 2008, at 8:36 PM, Chuck wrote:

> The rough service bulbs are much more rugged. The longest lasting  
> bulb in history is a rough service bulb with a heavy filament in a  
> fire station in Livermore CA. It has been burning for over 1006 years.
>
> To get that way they have a thicker filament.
>
> This means more energy with more heat and less light. from what I  
> understand. Plus they are clear and make for some real ugly lighting.
>
> My guess is that it is more of a coincidence than anything else.
>
> I agree with you that they dimming up to lower wattage (80%) makes  
> them last longer. I have a lot that have been around for a long time.
>
> Have you looked at halide bulbs. I just got a few that seem to be  
> really bright and can dim. They are more efficient also. I don't  
> know about how rugged they are.
>
> Chuck
>
> On Jan 12, 2008, at 8:06 PM, Jerry — MacSolutions wrote:
>
>> With the evident death of incandescent bulbs, perhaps my question  
>> is more than latent... But, I seem to be blowing up bulbs more  
>> often lately.
>>
>> Most of my switches "dim on" and off so they seem to last longer  
>> than the "full on" ones.  I know the blast of electricity will  
>> shake the filament until it breaks but as I said, they seem to be  
>> blowing more often of late, with no programming changes involved.
>>
>> Does anyone use bulbs designed for garage door openers and would  
>> they last longer?  I know that they're made more toughly to deal  
>> with the vibration involved with the electric motors...
>>
>> Jp
>>
>

- Jack Brindle, W6FB
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