Re: general question X

["Tesla list" <tesla-at-pupman-dot-com>]

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

Tesla list wrote:

> Original poster: "Wade B AndB Anderson by way of Terry Fritz
><twftesla-at-qwest-dot-net>" <nabedaw-at-juno-dot-com>
 
> hi guys,
 
> What type of material is tungsten? Hard or soft? is it drillable to tap?
> or thread?

	Some years back, i did some EMI studies on RF stabilized arc
	welders.  The RF source is a spark gap.  Maintenance instructions,
	from the manual, included:

		Do Not Attempt to file the gap: the points are
		tungsten, which is harder than the file.

	best
	dwp