[sdiy] Tube alert

[synth at oldmail.charlielamm.com]

The character generator tube is bad craziness!  How in blazes does it
work?  Does anyone (still alive) know?  Was it used in WWII weapons 
systems or something?

Time to hit google, if only I had more time.....

On Fri, 8 Oct 2004, Tim Parkhurst wrote:

> Hi All,
> 
> Since I don't really play with tubes, I have no idea if this is a good deal
> but it seemed kind of neat...
> 
> >From http://www.alltronics.com/vacuum_tubes.htm
> 
> "ALL-AMERICAN FIVE-TUBE SET
> One each: 12SA7, 12SK7, 12SQ7, 35Z5GT, and 50L6GT. Tube types may be metal
> or glass and not in original boxes. All tested good.
> ALL-AM    Our Price $9.95/Set"
> 
> They have several other pages of tube listings also, including some wacky
> photomultipliers and a primitive character generator sort of type of thing
> (the electron beam scans a metal mask of the desired characters and creates
> a control signal that would impose the characters on a TV image...I think).
> Anyway, thought I'd pass it on for the tube freaks out there (talk about
> guys who have to worry about obsolete parts!) ;)
> 
> 
> 
> Tim (only parts of me are obsolete) Servo
> 
> "Imagination is more important than knowledge." - Albert Einstein
> "We love the moon, 'cause it is good to us!" - Sponge Monkeys
> 
> 
> 
> 
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> 
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