Revision as of 14:23, 12 June 2014 by Kurt(talk | contribs)(Created page with "The Tektronix 013-013 (also known as the 013-0013-00) is a rigid plug-in extender for the timing plug-ins of the 555. <gallery> File:Tek 013-0013-00 1.jpg File:Tek 013-0...")