This five-volume student text is designed for use by Air Force personnel enrolled in a self-study extension course for radiology technicians. Covered in the individual volumes are radiographic fundamentals (x-ray production; primary beams; exposure devices; film, film holders, and darkrooms; control of film quality; and environmental safety); osteology and positioning (osteology positioning of the extremities, vertebral column, ribs, sternum, skull, facila bones, and paranasal sinuses and positioning of the upper and lower extremities, chest and abdomen, vertebral column, and skull); special techniques (mamography and zeroradiography, obstetrical radiography, ultrasonography, tomography, computer tomography, scanography and arthrography, bedside and surgical radiography, and film duplication and subtraction) special procedures (contrast studies of the digestive, urogenital, respiratory, cardiovascular, lymphatic, nervous, integumentary, and endocrine systems); and general information and radiation therapy (radiation therapy and management of department functions). Each volume in the set contains a series of lessons, exercises at the end of each lesson, a bibliography, and answers to the exercises. Supplementary volume review exercises and a change supplement are also provided. (MN)