Took some pictures of my three tube gap. http://home.earthlink.net/~jimlux/hv/images/tubegap1x.jpg black thing in background is a muffin fan. http://home.earthlink.net/~jimlux/hv/images/tubegap3x.jpg _______________________________________________ Tesla mailing list Tesla@xxxxxxxxxx http://www.pupman.com/mailman/listinfo/tesla