This individualized learning module on special devices is one in a series of modules for a course in basic electricity and electronics. The course is one of a number of military-developed curriculum packages selected for adaptation to vocational instructional and curriculum development in a civilian setting. Four lessons are included in the module: (1) Delay Lines, (2) Dummy Loads, (3) Special Solid State Devices, and (4) Field-Effect Transistors. Each lesson follows a typical format including a lesson overview, a list of study resources, the lesson content, a programmed instruction section, and a lesson summary. (Progress checks and other supplementary material are provided for each lesson in a student's guide, CE 026 590.) (LRA)