[TCML] Triggered spark gaps?

[Jim Lux]

On 2/3/12 2:50 PM, Carl Noggle wrote:
> Hey---
>
> Does anyone have any triggered spark gaps? The ones I'd like to match
> are 4 1/4 inches square with a 1/2" nylon bolt in each corner, in a
> clamshell design, with the electrodes in a sort of dome on each side.
> They are made of acrylic or polycarbonate, I think. I can't read the
> mfgr or the model number, but they don't seem to be Maxwell. The trigger
> is a brass plane sandwiched between the halves of the clamshell with a
> contact screw protruding between the clamshell pieces. There are 2 gas
> fittings. I need four or five of these, or some info if anyone has it.
>

There's a few mfrs of these things over the years.  Perkin Elmer/EG&G 
made them too. Physics International is another.

BUT, an awful lot were custom, home made in a lab.  I have several 
Maxwell gaps, but I also have what is obviously an older prototype 
version of the same thing, probably made by someone in a lab with a 
machine shop.