This from Make (via slashdot):
http://blog.makezine.com/archive/2008/01/make_your_own_vaccum_tube.html
There seems to be a bunch of paperwork on his site too (assuming you
count PDF as "paperwork").
Won't be too long before someone is building 7400 TTL replacements
chips in a garage somewhere!
Antonio
No virus found in this outgoing message.
Checked by AVG Free Edition.
Version: 7.5.516 / Virus Database: 269.17.13/1213 - Release Date:
07/01/2008 09:14