---------- From: Edward V. Phillips [SMTP:ed-at-alumni.caltech.edu] Sent: Sunday, May 31, 1998 5:13 AM To: tesla-at-pupman-dot-com Subject: Re: 833A tube coil "The anodes glow a pale orange colour, not red so as to cause concern. I'm not sure how "red" the 833 anodes can glow before any damage occurs." Orange is hotter than red in this case! Light orange sounds acceptable, white isn't! Ed