Aircraft Instruments

This Book is devoted to an explanation of the principles of general-purpose instruments used in aircraft to-day, and of the rules and procedures governing the maintenance of those instruments. As such, it is intended for use by airline instrument engineers, and by all who are interested in, or concerned with, general instrument practice. Assimilation of the information contained in its pages should lead to the gaining of the maintenance engineers' licence in category "X" (instruments-including those electrically operated.)