Practical Wireless Telegraphy: A Complete Text Book for Students of Radio Communication (Classic Reprint) - Tapa blanda

Sinopsis

In preparing this volume, the author has endeavored to give the non-technical student and the practical telegraphist an understanding of the functioning of present day commercial wireless telegraph apparatus, and he has varied the usual procedure followed in text books by covering first in a general way the fundamentals of electricity, electromagnetic induction, the dynamo, the motor, the motor generator, storage batteries, charging panels, etc., a knowledge of which is quite as essential to the practical wireless worker as the more complicated phenomena of radio-frequency circuits. It was not possible in the space available to treat the elements of electricity and magnetism in detail, but an effort was made to cover some of the more important principles to prepare the student to understand the functioning of radio telegraph apparatus. As in the case of the ordinary electrician working in the more common branches of electrical practice, one of the first essentials in training a wireless telegraphist in the practical operation of a radio set is to instil in his mind a thorough understanding of electrical circuits, i. e., the wiring of electrical apparatus, for only as this all important knowledge is assimilated is the learner qualified to take charge of a commercial wireless station; hence, this book is largely devoted to describing the circuits of practical radio sets together with a simple explanation of the basic principles of the apparatus associated therewith. No attempt therefore has been made to treat the subject with rigid scientific accuracy or completeness. The idea has been rather to show the student what the apparatus consists of and how it is manipulated. Only general notions of how and why it operates are presented and neither completeness of treatment nor rigidly scientific as distinguished from popular and non-technical use of terms have been
(Typographical errors above are due to OCR software and don't occur in the book.)

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