Re: Tube Data

To: tesla-at-pupman-dot-com
Subject: Re: Tube Data
From: jkooi-at-wish-dot-net (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
Date: Mon, 21 Feb 2000 13:00:57 -0700
Approved: twftesla-at-uswest-dot-net
Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

 
Hi Nick,
It would really help a lot if you would atach a small photograph along with
your mail.
for sofar, it sounds like you've got (don't really know the english word for
it ) an oscilating tube, used for pumping up the frequency
at high voltages.

If so, caution is no luxury.
<mailto:jkooi-at-wishmail-dot-net>mailto:jkooi-at-wishmail-dot-net


----- Original Message -----
From: Tesla List <<mailto:tesla-at-pupman-dot-com>tesla-at-pupman-dot-com>
To: <<mailto:tesla-at-pupman-dot-com>tesla-at-pupman-dot-com>
Sent: Sunday, February 20, 2000 8:55 PM
Subject: Tube Data


> Original Poster: "Megavolt Nick"
<<mailto:tesla-at-fieldfamily.prontoserve.co.uk>tesla-at-fieldfamily.prontoserve.c
o.uk>
>
> Hi All,
>          today I picked up a massive tube and wondered if anyone had any
idea
> what it is.  The only number on the thing is QB 5/1750. I've looked it up
on
> most of the net tube data sites and none of them have heard of it.  The
glass
> bulb is about 4" diameter by 5" high with a big heatsunk feed through on
the
> top and 5 rather beefy pins on the bottom.  The anode looks like about 1½"
> diameter.
> The filament xfmr looks like about 200VA and the leads to the tube were
2mm
> thick copper.
> Inside the unit I got it out of there was a 24kV capacitor bank - but I
don't
> know if they were connected while in operation as half the thing was
missing.
>
> Thanks In Advance
> Nick Field
>
>
>