RE: D'Arsonval?

["David Dean" <deano-at-corridor-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

Hi Chris,

D'Arsonval, Jacques Arsene (1851-1940) French physicist and physician,
 born near Limoges, France: pioneer in therapeutic use of electricity,
 heat and light.

This is all I could find on the man himself in all the old books
I have around here.

I thought I had a picture of a D'Arsonval apparatus around here some where,
but could not find it. Basically the device is very much like a Tesla
primary
which is tuned somewhere near the middle. It acts as a tuned autotransformer
but not so many turns as to put it into the same class with a Ouiden coil.
The discharges are lower in voltage and higher in current than the typical
Tesla coil discharge. They tend to have a "sheet" like appearance and make a
more whooshing sound, like escaping steam, than the crackly sound of a Tesla
coil discharge.

For some interesting material on some "medical" uses for high voltage / high
frequency
and other types of electric current in use around the turn of the century
 (100 years ago) see www.corridor-dot-net/deano/teslapag.htm then go to "other
stuff".
At the bottom of the page you will find links to 28 pages containing scans
from
the "Common Sense Medical Advisor", an old book containing some reasonably
good
medical advice, and quite a bit of self promotion for the "Invalids Hotel"
which
apparently was a state of the art medical facility in the early part of the
last
century. There are several references to treatment by D'Arsonval currents in
there.

Of course most of the treatments they used then would be considered
"quackery" now, but some are still in use. Most notably X-rays and
ultraviolet light. Also there has been some experimentation
in the field of sports medicine with what are referred to in the old book
"galvanic currents" to accelerate healing of torn ligaments and broken
bones.

Hope this may be of some help.

later
deano



> -----Original Message-----
> From: Tesla list [mailto:tesla-at-pupman-dot-com]
> Sent: Thursday, August 10, 2000 7:42 PM
> To: tesla-at-pupman-dot-com
> Subject: D'Arsonval?
>
>
> Original poster: CTCDW-at-aol-dot-com
>
> Hello all,
>
> Could someone please offer a simple description of a D'Arsonval
> discharge,
> and why this happens on transmission lines, and the like. Also,
> why is this
> named after D'Arsonval....what work did he do on this subject?
>
> Thanks!
>
> Chris
>
>
>