Présentation de l'éditeur
This book is intended primarily for the use of those engaged in the practical operation of Radio-T elegraph installations and for students who already possess some knowledge of electrical science. The first portion of the book (C hapters I.-V.) deals with the production and radiation of electric oscillations and waves, followed by a description of the various pieces of apparatus which go to make up a RadioT elegraph installation and the principles which govern their construction and erection. Following this will be found descriptions of the principal systems. Chapter VI. is devoted to theM arconi system, which is the principal system employing the spark method of generating electrical oscillations. In this chapter will be found a full description of theM arconi ij kw. ship set. This type of installation is in such very general use that hardly any students sitting for the P.M.G. scertificate pass their examination on any other apparatus. For this reason considerable space has been devoted to it and the various pieces of apparatus fully illustrated. Chapter VII. deals with the Poulsen system, which is representative of the arc method of generating electrical oscillations.
(Typographical errors above are due to OCR software and don't occur in the book.)
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Présentation de l'éditeur
This book was originally published prior to 1923, and represents a reproduction of an important historical work, maintaining the same format as the original work. While some publishers have opted to apply OCR (optical character recognition) technology to the process, we believe this leads to sub-optimal results (frequent typographical errors, strange characters and confusing formatting) and does not adequately preserve the historical character of the original artifact. We believe this work is culturally important in its original archival form. While we strive to adequately clean and digitally enhance the original work, there are occasionally instances where imperfections such as blurred or missing pages, poor pictures or errant marks may have been introduced due to either the quality of the original work or the scanning process itself. Despite these occasional imperfections, we have brought it back into print as part of our ongoing global book preservation commitment, providing customers with access to the best possible historical reprints. We appreciate your understanding of these occasional imperfections, and sincerely hope you enjoy seeing the book in a format as close as possible to that intended by the original publisher.
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