Re: Megavolt at $90 (fwd)

[Steven Roys <sroys@xxxxxxxx>]

---------- Forwarded message ----------
Date: Sun, 14 Mar 2004 22:40:11 -0700
From: Dr. Resonance <resonance@xxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Megavolt at $90 (fwd)



Carlos:

Is that a tube between the two spheres or spark discharges?


Dr. Resonance

Resonance Research Corporation
E11870 Shadylane Rd.
Baraboo   WI   53913
>
> High Voltage list wrote:
>
> > A few months later, Van de Graaff generated over
> > 1 000 000 V between two 60-centimeter-diameter spheres on Pyrex columns
180
> > cm high. This version was published Oct. 28, 1931, in a three-page
"Disclosure
> > of invention," signed by Van de Graaff and two witnesses. The apparatus
cost
> > $90.
>
> The first paper about the VDG generator was a quick note at the Physical
> Review, vol 38, p. 1919, 1931.
> http://www.coe.ufrj.br/~acmq/vdg1931.gif
> The double machine:
> http://www.mos.org/sln/toe/historical/6ftvdg.jpeg
>
> Antonio Carlos M. de Queiroz
>
>
>