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From: markz@ssc.UUCP (Mark Zenier)
Newsgroups: sci.electronics,misc.consumers
Subject: Re: Halogen Lamps, too (was Re: florescent bulbs replacing inca
Message-ID: <567@ssc.UUCP>
Date: 28 Nov 90 19:15:49 GMT
References: <1990Nov16.091211@mathcs.emory.edu> <1990Nov17.211808.21546@ameristar> <4171@media-lab.MEDIA.MIT.EDU>
Organization: SSC, Inc., Seattle, WA
Lines: 14

In article <4171@media-lab.MEDIA.MIT.EDU>, minsky@media-lab.MEDIA.MIT.EDU (Marvin Minsky) writes:
> So I've used
> compact fluorescent bulbs for the last couple of years.  Sixteen
> Panasonic 20-watt units.  The light color is almost satisfactory, and
> the 16 bulbs give enough light, but they've noticeably dimmed since
> new.  So that 6000-10000 hour rating hasn't been realistic, although
> they haven't burned out. I estimate they're actually at about
> 1500-2000 hours by now, and will soon need replacing.  

Is the life of these dependent on orientation?  Do they go dim quicker
with the base up, down, or sideways?


markz@ssc.uucp