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Re: Thanks to John

At 11:25 PM 2/12/97 -0700, you wrote:
>Subscriber: rhull-at-richmond.infi-dot-net Wed Feb 12 23:12:53 1997
>Date: Thu, 13 Feb 1997 00:16:41 -0500 (EST)
>From: richard hull <rhull-at-richmond.infi-dot-net>
>To: tesla-at-pupman-dot-com
>Subject: Re: Thanks to John
>
>At 10:25 PM 2/10/97 -0700, you wrote:
>>Subscriber: SSNSanders-at-aol-dot-com Mon Feb 10 22:04:48 1997
>>Date: Sun, 9 Feb 1997 14:41:26 -0500 (EST)
>>From: SSNSanders-at-aol-dot-com
>>To: Tesla-at-pupman-dot-com
>>Subject: Thanks to John
>>
>>Thanks John Freau for the schematics, they are clear and precise and I will
>>have it built as soon as I can presuade Richard Hull to dig down DEEP in his
>>ham fest booty for those resistors etc I need, heh heh :) Seriously though,
>>you mention a 304TL and that a more powerful tube can be used. What is an
>>example of a more powerful tube? What is the most powerful tube that I could
>>use that is obtainable from a tube supplier? Can I parallel morthan one for a
>>longer spark? Im going to go to some expense on this one and I anticipate the
>>end result to be a sight to behold. I will definately send pictures of the
>>finished product along with some of the other coils I have.By the way,
>>doorknobs dont have a mica dielectric do they? Probably not as I have a few
>>of them and could use them on the tube coil, are they suitable?  Stephen
>>Sanders
>>
>>Stephen,
>
>Those HV resistors I bought at the fest are in use right now in a DC HV coil
>supply.  I contacted Victoreen, a prime maker of such items.  In fact the #1
>maker of precision 100 megohm plus and HV controlled temp coeff. resistor in
>the world!  They have no distributors on the entire planet.  All must be
>purchased directly from them at their factory with a $250.00 minimum "baby"
>order!  High voltage is special in resistor usage.  The voltage coefficient
>specification is the key item on these babies and are the reason you can't
>just series an infinite number of carbons for high voltage work.
>
>I am after their famous line of electrometer resistors (RX1A prime series-
>glass vacuum enclosed jobs!)  This is a low voltage line of high ohm items.
>Their lowest ohmic value in this special line is 100 megohms!  They stock
>off shelf precision +/-.5% 100 gigohm jobs.  They will custom make up to 100
>teraohms in this line at that precision.  (thats +/- 500 gigohms error and
>it is IN spec at 0.5% precision!!)
>
>They also make power HV resistors with specs guaranteed out to 100,000 volts. 
>
>Richard Hull, TCBOR
>
>

Richard, I've seen some of these glass enclosed multimegohm (gigohm)
resistors in some Victoreen geiger counters.  Keep a lookout for them at
your hamfests.
Bert Pool
nikki-at-fastlane-dot-net