Klarinet Archive - Posting 000376.txt from 1999/09

From: Roger Shilcock <roger.shilcock@-----.uk>
Subj: Re: [kl] Re: leak light
Date: Wed, 15 Sep 1999 10:11:13 -0400

I should think the bulb is at the *base* of the "gooseneck". Then you do
need the optical fibre.
Roger S.

On Wed, 15 Sep 1999, Edwin V. Lacy wrote:

> Date: Wed, 15 Sep 1999 08:29:04 -0500 (CDT)
> From: "Edwin V. Lacy" <el2@-----.edu>
> Reply-To: klarinet@-----.org
> To: klarinet@-----.org
> Subject: [kl] Re: leak light
>
> On Wed, 15 Sep 1999 LeliaLoban@-----.com wrote:
>
> > The tool is battery-operated, a small handle (looks and works the same
> > as a miniature pocket flashlight handle) attached to a flexible
> > gooseneck with an optical fiber cable inside that leads to a tiny
> > light bulb.
>
> Well, possibly it does have an optic fiber cable, but I would think it
> more likely that what is inside the flexible neck is just a couple of
> ordinary copper wires. Fiber optic certainly would work, but that would
> significantly increase the cost of the device. If it does include fiber
> optic technology, I don't think it would need a lightbulb.
>
> A leak light can easily be constructed at almost no cost. Just remove the
> head from any ordinary flashlight, and attach one wire of an ordinary
> electrical cord to each of the two contacts at the upper end of the
> flashlight, and from there to the bulb. One wire needs to contact the
> base of the bulb, and the other its side.
>
> I seem to remember that from my 3rd grade science class project of more
> than 50 years ago. Today, I guess 3rd graders are doing experiments in
> nuclear physics and quantum mechanics. Hey, the world was a simpler place
> in 1945!
>
> Ed Lacy
> el2@-----.edu
>
>
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