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From: ark@alice.UucP (Andrew Koenig)
Newsgroups: net.consumers,net.sci
Subject: Re: lightbulbs
Message-ID: <5436@alice.uUCp>
Date: Sun, 11-May-86 10:43:55 EDT
Article-I.D.: alice.5436
Posted: Sun May 11 10:43:55 1986
Date-Received: Tue, 13-May-86 01:26:19 EDT
References: <446@hropus.UUCP>
Organization: Bell Labs, Murray Hill
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Xref: watmath net.consumers:5206 net.sci:830

I have heard that those "lightbulb saver" gadgets (which I think, by
the way, are not thermistors but diodes) are not worth the money.
Reason: light bulbs are less efficient at lower temperatures.
If instead of using a diode you replace the light bulb with one of
lower wattage that gives the same amount of light, the extra efficiency
will save you enough electricity to pay for the light bulb by the
time it burns out.