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เนื้อหาย่อ : PREFACE The texts of the entire Basic Electricity and Basic Electronics courses, as currently taught at Navy specialty schools, have now been released by the Navy for civilian use. This educational program has been an unqualified success. Since April, 1953, when it was first installed, over 25,000 Navy trainees have benefited by this instruc- tion and the results have been outstanding. The unique simplifcation of an ordinarily complex subje exceptional clarity of illustrations and text, and the plan of pre- senting one basic concept at a time, without involving complicated mnathematics, all combine in making this course a better and quicker way to teach and learn basic electricity and electronics. n releasing this material to the general public, the Navy hop provide the means for creating a nation-wide pool of pre-trained technicians, upon whom the Armed Forces could call in time of national emergency, without the need for precious weeks and months of schooling. Perhaps of greater importance is the Navy's hope that through e release of this course, a direct contribution will be made increasing the technical knowledge of men and women throughout he country, as a step in making and keeping America str Van Valkenburgh, Nooger and Neville, Inc.