Old School Stuff www.truebooks.org

[Chuckt]

http://tubebooks.org/

tubebooks.org

Vintage info from the days of vacuum tubes

Herein you will find a collection of vintage engineering texts, vacuum tube datasheets, and other obsolete information, presented free of charge and without annoying advertisements.

[brad]

ahh good 'ol vacuum tubes
we still teach these in one of our subjects. they are basically just an early version of a jfet except that they get very hot and require a great deal more voltage!