[Phys-L] Re: Looking for electricity demo apparatus

[Daniel Crowe <dcrowe@SOTC.ORG>]

It sounds like you're looking for Tesla coils.  I googled "Tesla coil",
and several sites appear to offer Tesla coils for sale.

Daniel Crowe
Oklahoma School of Science and Mathematics
Ardmore Regional Center
dcrowe@sotc.org

On Wed, 16 Mar 2005 21:49:28 -0600, Gonzalez-Espada, Wilson
<wilson.gonzalezespad@MAIL.ATU.EDU> wrote:

> Hello all:
>
> Here at Tech we had two 14" handheld "sparkers" (dated 1963) that we used
for electricity demos. They were brown, with a 3" metal tip and a variable
button resistor to adjust the size of the sparks. They produced a spark
that lit a fluorescent lamp. The current was low enough that we used it
to "shock" ourselves painlessly (kind of; it left tiny red marks that
dissapear in 24 hours).
> The "sparkers" are dead now. They sound as if they are working but no
sparks are produced. We need to replace them ASAP.
> Question
> 1. What is the correct name for this apparatus?
> 2. Where could I find a replacement?
>
> I have search the Internet, but without the proper name I have been
unable to find a replacement.
> Thanks in advance,
>
> Wilson J. Gonzalez-Espada, Ph.D.
> Asst Professor of Physical Science/Science Education
> School of Physical and Life Sciences
> Arkansas Tech University
> 1701 N. Boulder Ave. (McEver Hall)
> Russellville, AR  72801
> (479) 968-0293
> (479) 964-0837 fax
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