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Re: D.C. from tesla coil



Original poster: "davep by way of Terry Fritz <twftesla-at-qwest-dot-net>" <davep-at-quik-dot-com>

> a lecture by tesla.

>> Another peculiarity of the rapidly alternating
>> discharge of the induction coil is it's radically
>> different behavior with respect to points and rounded
>> surfaces.


>> If a thick wire, provided with a ball at one end and
>> with a point at the other be attached to the positive
>> terminal of a static machine, practically all the
>> charge will be lost through the point, on accoundt of
>> the enormously greater tension, dependent on the
>> radius of curvature.  But if such a wire is attached
>> to one of the terminals of the induction coil, it will
>> be observed that with very high frequencies streams
>> issue from the ball almost as copiously as from the
>> point.


> end 


	Much has been learned of field ion rectifiers
	(which is what is being discussed here...) since
	then.

> He goes on to explain that the round surface disturbs
> the air inductively, the air molecules not
> necessarily coming in contact with the ball.


	There are no 'air molecules'. tho that is a fine
	point.


>> "Also, the larger the ball with a given frequency, or
>> the higher the frequency, the more will the ball have
>> advantage over the point."


	Is he discussing rectification or ???

	best
	dwp

...the net of a million lies...
	Vernor Vinge
There are Many Web Sites which Say Many Things.
	-me