On Mon, Jul 25, 2011 at 10:29 AM, John Coppens wrote: > On Mon, 25 Jul 2011 00:47:27 -0300 > John Coppens wrote: > >> I still have the tube - I'll try to do an autopsy tomorrow :) > > As promised, I cut open the tube and took a couple of pictures: > > http://jcoppens.com/misc/img/fil1.jpg > http://jcoppens.com/misc/img/fil2.jpg > > As suspected, one filament was completely gone. The mounting posts > alone are probably not enough to ignite the gas, even with HF ballasts. > > John > -- Careful to not do too many of those, there is an small (insignificant) amount of mercury in every tube, mixed in the calcium phosphate powder. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .