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Re: Light bulb science and technology
From
: LUDWIK KOWALSKI <
KOWALSKIL@alpha.montclair.edu
>
Date
: Sun, 15 Mar 1998 17:44:51 -0400 (EDT)
How do they manufacture tunngsten filaments which are double-coiled?
Was it always like this? I remember seeing single coils when I was a kid.
But it did not occur to me to look through a magnifying glass.
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