On Thu, 4 Oct 2012 11:57:21 -0700 (PDT), George Herold
wrote:

Hi Jeff, Phil. First I know nothing about incandescent bulbs.

I'm still learning (mostly from my mistakes).

I blundered across this video on tungsten filaments.
http://www.youtube.com/watch?v=DIGqBb3iZPo 3:38
While it doesn't touch any of the issues previously mentioned, it does
include some interesting info on how the filament is made and its
structure.

--
Jeff Liebermann
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558