Re: Arisian Ellipsoidal Polychromatic Lens w/MultiJewel Array!

On 9 Apr 2008 21:52:23 -0400, "Keith F. Lynch" <kfl@[EMAIL PROTECTED]
>
wrote:

>mike weber <fair****tfan@[EMAIL PROTECTED]
> wrote:
>> Behind the LEDs in that design, i think - hearing aid batteries.
>
>How do those differ from watch batteries?
>
>I've noticed that anything intended for medical use costs enormously
>more than something equivalent for non-medical use.

Hearing-aid batteries are often air-breathing batteries that aren't
activated till you put them in the device.

Kleiner may well have used watch batteries, actually - i just happened
to pull up the "hearing-aid" bit first when i was typing.