I.C. Electrician 2, NAVPERS 10556-A

This book is written for men of the U. S. Navy and Naval Reserve who are qualifying for advancement to I. C. Electrician 2. Combined With the necessary practical experience, this training course will prepare the reader for the advancement-in-rating examination. New challenges 1 Engineering material 5 Principles and aspects of sound and sound systems 22 Microphones and loudspeakers 35 Announcing and intercommunicating systems 49 Supplementary communication equipment 76 Sound recording and reproducing systems 104 Sound motion picture systems 125 Dial telephone system 150 Closed circuit television 173 Ship control order and indicating systems 201 Ship's metering and indicating systems 224 Magnesyn compass system 254 The gyrocompass 264 Fresnel lens optical landing system 286 Appendix I. Answers to quizzes 310 II. Training film list 326 III. Qualifications for advancement in rating 332 Index 343