On 13 Nov 2004 12:57:13 -0800, "nigel" wrote:

Following on from the recent DC discussion ... what is the deal with
static charge buildup with all this dust flying around. I've heard
recommendations to add wire spirals around the tubing and connect it to
DC and machine grounds at each end.

This is really stupid when you think about the fact that you're
wrapping wire around an insulating material. G

Slide a wire tap along the coil, and tune radio stations!

Barry