Here are links to some old transistor application notes that I ran across recently. There should be some interesting reading in these publications for everyone involved with DIY electronics. Thanks to Brian Page, the original scanner of these items, for making them available.
28 Uses for Junction Transistors
Raytheon Transistor Applications, More than 50 Practical Circuits using Raytheon CK722 Transistors
Raytheon Transistor Applications Volume II
Point-Contact and Junction Transistors
Crystal Diode Circuit Kinks: More New Uses for Germanium Diodes
