Reprint Of Sections On Wireless Telegraphy And Wireless Telephony From Practical Physics Classic Reprint

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Reprint of Sections on Wireless Telegraphy and Wireless Telephony From Practical Physics (Classic Reprint)

Author : Robert Andrews Millikan
Publisher : Forgotten Books
ISBN 13 : 9781333933005
Total Pages : 26 pages
Book Rating : 4.9/5 (33 download)

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Book Synopsis Reprint of Sections on Wireless Telegraphy and Wireless Telephony From Practical Physics (Classic Reprint) by : Robert Andrews Millikan

Download or read book Reprint of Sections on Wireless Telegraphy and Wireless Telephony From Practical Physics (Classic Reprint) written by Robert Andrews Millikan and published by Forgotten Books. This book was released on 2016-10-13 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Reprint of Sections on Wireless Telegraphy and Wireless Telephony From Practical Physics The length of the waves emitted by the oscillatory spark of instantaneous photography is evidently very great, namely. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Reprint of Sections on Wireless Telegraphy and Wireless Telephony from Practical Physics

Author : Robert Andrews Millikan
Publisher : Palala Press
ISBN 13 : 9781347190661
Total Pages : 22 pages
Book Rating : 4.1/5 (96 download)

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Book Synopsis Reprint of Sections on Wireless Telegraphy and Wireless Telephony from Practical Physics by : Robert Andrews Millikan

Download or read book Reprint of Sections on Wireless Telegraphy and Wireless Telephony from Practical Physics written by Robert Andrews Millikan and published by Palala Press. This book was released on 2015-12-04 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

R OF SECTIONS ON WIRELESS TELE

Author : Robert Andrews 1868-1953 Millikan
Publisher :
ISBN 13 : 9781371297152
Total Pages : 20 pages
Book Rating : 4.2/5 (971 download)

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Book Synopsis R OF SECTIONS ON WIRELESS TELE by : Robert Andrews 1868-1953 Millikan

Download or read book R OF SECTIONS ON WIRELESS TELE written by Robert Andrews 1868-1953 Millikan and published by . This book was released on 2016-08-27 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Wireless Telegraphy and Telephony Simply Explained

Author : Alfred Powell Morgan
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Wireless Telegraphy and Telephony Simply Explained by : Alfred Powell Morgan

Download or read book Wireless Telegraphy and Telephony Simply Explained written by Alfred Powell Morgan and published by . This book was released on 1912 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Manual of Wireless Telegraphy and Telephony (Classic Reprint)

Author : A. Frederick Collins
Publisher :
ISBN 13 : 9781330497883
Total Pages : 324 pages
Book Rating : 4.4/5 (978 download)

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Book Synopsis Manual of Wireless Telegraphy and Telephony (Classic Reprint) by : A. Frederick Collins

Download or read book Manual of Wireless Telegraphy and Telephony (Classic Reprint) written by A. Frederick Collins and published by . This book was released on 2015-06-30 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Manual of Wireless Telegraphy and Telephony The tremendous strides in wireless during the past ten years have necessitated a revision of this Manual. In the matter of improved apparatus the alternating current transformer has largely taken the place of the induction coil and the auto receptor has all but superseded the coherer receptor in practical installations, with the result that both the working and the efficiency of stations have been greatly improved. Due to these and other advances it has been found expedient to segregate the chapter on The Apparatus of a Commercial Station and treat the transmitting and the receiving instruments separately. Aerials is a subject to which much new text has been added since the flat-tops or T aerial has come into general use together with better methods of suspension than those treated of in the previous editions of this Manual. Furthermore, considerable useful data have been appended under the caption of Suggestions to Operators relating to the management of stations. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Wireless Telegraphy and Telephony Popularly Explained (Classic Reprint)

Author : Walter Wentworth Massie
Publisher : Forgotten Books
ISBN 13 : 9780428837280
Total Pages : 102 pages
Book Rating : 4.8/5 (372 download)

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Book Synopsis Wireless Telegraphy and Telephony Popularly Explained (Classic Reprint) by : Walter Wentworth Massie

Download or read book Wireless Telegraphy and Telephony Popularly Explained (Classic Reprint) written by Walter Wentworth Massie and published by Forgotten Books. This book was released on 2018-01-11 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Wireless Telegraphy and Telephony Popularly Explained There have been several books written on the subject for the expert or technical man, but so far nothing has been written that explains it in a way that every one may understand. In this book the authors use simple expressions, con taining no technical words, so that all may obtain a clear idea of the inception and development of this much-talked oi art. We here describe the substance through which signals are sent, the theory of the propagation of waves, method of generating and receiving the waves, the apparatus used, and, finally, the uses, limitations, and possibilities. Of wireless telegraphy both commercially and financially. Providence, R. I. Walter W. Massie. Him You. Charles R. Underhill. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Wireless Telegraphy an Elementary Treatise (Classic Reprint)

Author : A. E. Kennelly
Publisher : Forgotten Books
ISBN 13 : 9780332115665
Total Pages : 296 pages
Book Rating : 4.1/5 (156 download)

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Book Synopsis Wireless Telegraphy an Elementary Treatise (Classic Reprint) by : A. E. Kennelly

Download or read book Wireless Telegraphy an Elementary Treatise (Classic Reprint) written by A. E. Kennelly and published by Forgotten Books. This book was released on 2017-11-28 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Wireless Telegraphy an Elementary Treatise In spite, however, of the above achievements of wireless telegraphy during the past two years, the development of wireless telephony has been still more pronounced. During that time, the range distance of wireless telephony has remarkably increased; so that, although far below that of wireless telegraphy of the present time, it is comparable to that of wire less telegraphy ten years ago. It has, there fore, seemed desirable to add to this book sev eral chapters on wireless telephony, while bringing the subject of wireless telegraphy up to date. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

A Treatise Upon Wireless Telegraphy and Telephony (Classic Reprint)

Author : C. I. Hoppough
Publisher : Forgotten Books
ISBN 13 : 9780267805693
Total Pages : 262 pages
Book Rating : 4.8/5 (56 download)

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Book Synopsis A Treatise Upon Wireless Telegraphy and Telephony (Classic Reprint) by : C. I. Hoppough

Download or read book A Treatise Upon Wireless Telegraphy and Telephony (Classic Reprint) written by C. I. Hoppough and published by Forgotten Books. This book was released on 2018-02-04 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from A Treatise Upon Wireless Telegraphy and Telephony While it is impossible to go deeply into the study of Wireless Telegraphy without the aid of higher mathematics, an attempt will be made in this book to explain in as unmathematical terms as possible a few of the fundamental principles and to illustrate their application to the solution of practical problems which arise daily in the routine of wireless Operating. Fortunate indeed is the student of wireless telegraphy who has had the Opportunity of studying The Principles of Electric Wave Telegraphy and Telephony, by J. A. Fleming, and the Principles of Wireless Telegraphy by Geo. W. Pierce, and it is on account of the clearness of the explanations and the reliability of information given in the above mentioned books that they will be Quoted in the following pages. The author wishes to mention his Obligation to the Wireless News and Publishing Co., Sampson Publishing co., clapp-eastham Co. And the Electro Importing co. For permission to use certain illustrations furnished by them; to the Standard Wireless Equip ment co. For the loan of equipment tested; to Mr. J. M. Baskerville for the loan of a number of photographs of equipment which have materially assisted in explanations; and finally to Mr. G. M. Dodge, whose friendly assistance has made the publication of this book possible. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Wireless Telegraphy and Telephony Simply Explained (Classic Reprint)

Author : Alfred Powell Morgan
Publisher : Forgotten Books
ISBN 13 : 9780282729707
Total Pages : 208 pages
Book Rating : 4.7/5 (297 download)

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Book Synopsis Wireless Telegraphy and Telephony Simply Explained (Classic Reprint) by : Alfred Powell Morgan

Download or read book Wireless Telegraphy and Telephony Simply Explained (Classic Reprint) written by Alfred Powell Morgan and published by Forgotten Books. This book was released on 2017-06-29 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Wireless Telegraphy and Telephony Simply Explained The author has endeavored to furnish a comprehensive explanation, in simple language, of the theory and practice of this wonderful art, and to explain, as far as possible, the importance of the position occupied by wireless telegraphy to-day and the possibilities of to-morrow. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Wireless Telegraphy

Author : A. Frederick Collins
Publisher : Forgotten Books
ISBN 13 : 9780666566201
Total Pages : 316 pages
Book Rating : 4.5/5 (662 download)

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Book Synopsis Wireless Telegraphy by : A. Frederick Collins

Download or read book Wireless Telegraphy written by A. Frederick Collins and published by Forgotten Books. This book was released on 2018-02-28 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Wireless Telegraphy: Its History, Theory and Practice Since it frequently happens that didactic treatises fall into the hands of the untaught and the simplest of texts are sometimes found useful by the most highly trained specialist, it was pro posed that all the various phases of the subject under consideration should receive due attention and, by connecting them in series, a complete and logical account would necessarily follow and one that would bring the state of the art down to the present time. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Wireless Telegraphy (Classic Reprint)

Author : C. L. Fortescue
Publisher :
ISBN 13 : 9781330543191
Total Pages : 160 pages
Book Rating : 4.5/5 (431 download)

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Book Synopsis Wireless Telegraphy (Classic Reprint) by : C. L. Fortescue

Download or read book Wireless Telegraphy (Classic Reprint) written by C. L. Fortescue and published by . This book was released on 2015-07-01 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Wireless Telegraphy In this book the author has had in his mind's eye the reader who, possessing a general scientific knowledge, is anxious to know something, not only of the accomplishments of wireless, but also of the means by which they are attained. The subject is necessarily a highly technical one, and the first four chapters are devoted solely to explanations of the electrical phenomena involved. Which explanations it may be added are really little more than statements of facts illustrated where possible by mechanical analogy. The fifth and sixth chapters deal with the application of these principles to wireless apparatus, and from the seventh chapter onwards the book is devoted to a general survey of the uses to which wireless is nowadays put. No forecast of the future has been attempted as at the time of writing the developement is so rapid that it is beyond anyone to foresee the goal to which it is leading. A short bibliography has been added including most of the better known books on the subject. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Wireless Telegraphy and Telephony (Classic Reprint)

Author : Domenico Mazzotto
Publisher : Forgotten Books
ISBN 13 : 9780365335306
Total Pages : 438 pages
Book Rating : 4.3/5 (353 download)

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Book Synopsis Wireless Telegraphy and Telephony (Classic Reprint) by : Domenico Mazzotto

Download or read book Wireless Telegraphy and Telephony (Classic Reprint) written by Domenico Mazzotto and published by Forgotten Books. This book was released on 2018-03-22 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Wireless Telegraphy and Telephony Oscillators - Propagation of Electric Waves - The Recep tion of Electric Waves - Syntony and Damping - The Inﬂuence of Daylight. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Practical Wireless Telegraphy

Author : Elmer Eustice Bucher
Publisher : Forgotten Books
ISBN 13 : 9780265410196
Total Pages : 334 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Practical Wireless Telegraphy by : Elmer Eustice Bucher

Download or read book Practical Wireless Telegraphy written by Elmer Eustice Bucher and published by Forgotten Books. This book was released on 2017-10-16 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Practical Wireless Telegraphy: A Complete d104 Book for Students of Radio Communication 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 com plicated phenomena of radio-frequency circuits. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Wireless Telegraphy and Wireless Telephony

Author : Charles Grinnell Ashley
Publisher : Forgotten Books
ISBN 13 : 9780331711943
Total Pages : 156 pages
Book Rating : 4.7/5 (119 download)

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Book Synopsis Wireless Telegraphy and Wireless Telephony by : Charles Grinnell Ashley

Download or read book Wireless Telegraphy and Wireless Telephony written by Charles Grinnell Ashley and published by Forgotten Books. This book was released on 2017-11-22 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Wireless Telegraphy and Wireless Telephony: An Understandable Presentation of the Science of Wireless Transmission of Intelligence Work of Steinheil. Today it seems glaringly obvious that the earth may be used as a conductor, but in 1838 when Steinheil, a Bavarian, accidentally discovered this fact, it created quite a sensa tion. He had been experimenting with the steel rails of a railroad trying to utilize them as substitutes for the wires of a telegraph cir cuit, but was unable to obtain sufficient insulation. He was sur prised to discover, however, what a high degree of conductivity the earth possessed, and was led to conceive that he might employ it instead of the return wire hitherto used. He made the experiment, and with complete success, thus introducing into telegraphy one of its most important features-the earth circuit. Expanding the idea, Steinheil wondered if it were not possible to telegraph through the earth without using metallic conductors at all. This experiment, which was successful over very short distances, is said to have been the first attempt to telegraph without wires. Steinheil, however, being unable to signal farther than 50 feet, gave up this method, convinced that it was inexpedient for telegraphy. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Maver's Wireless Telegraphy

Author : William Maver
Publisher : Forgotten Books
ISBN 13 : 9780282102777
Total Pages : 224 pages
Book Rating : 4.1/5 (27 download)

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Book Synopsis Maver's Wireless Telegraphy by : William Maver

Download or read book Maver's Wireless Telegraphy written by William Maver and published by Forgotten Books. This book was released on 2017-05-26 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Maver's Wireless Telegraphy: Theory and Practice As the result of long experience in the study and practical Opera tion of electrical circuits and apparatus, the author considers that fully described, clear theoretical diagrams of systems and connections are of greater utility to the student than figures illustrating merely the external appearance of the apparatus, and hence the comparatively few illustrations of that nature herein given of apparatus employed in certain systems are introduced chieﬂy to typify the general appear ance and construction of more or less similar apparatus used in other systems. Inasmuch as when the first of these pages were written there was but one wireless system in operation, it may with some truth be said that the book has grown up with the art of which it treats, which fact has entailed a resort to considerable cross-reference in the text, and may require somewhat frequent reference to the index on the part of the reader to insure finding all that may be noted herein on a given subject. For this reason pains have been taken to make the index perhaps more than usually full. The thanks of the author are due to the typographers for careful reading of the proof-sheets of the text, and for many useful sug' About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Telegraphy, Telephony, and Wireless (Classic Reprint)

Author : J. Poole
Publisher : Forgotten Books
ISBN 13 : 9780267981076
Total Pages : 144 pages
Book Rating : 4.9/5 (81 download)

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Book Synopsis Telegraphy, Telephony, and Wireless (Classic Reprint) by : J. Poole

Download or read book Telegraphy, Telephony, and Wireless (Classic Reprint) written by J. Poole and published by Forgotten Books. This book was released on 2018-02-07 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Telegraphy, Telephony, and Wireless A somewhat larger share of space in the book has been given to the Wireless than to the other two sections, as it, no doubt, attracts more general interest at the present time, but it is believed that no important feature of the other two sections has been neglected. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Wireless Telegraphy

Author : Charles Henry Sewall
Publisher : Forgotten Books
ISBN 13 : 9780260060419
Total Pages : 258 pages
Book Rating : 4.0/5 (64 download)

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Book Synopsis Wireless Telegraphy by : Charles Henry Sewall

Download or read book Wireless Telegraphy written by Charles Henry Sewall and published by Forgotten Books. This book was released on 2017-10-31 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Wireless Telegraphy: Its Origins, Development, Inventions, and Apparatus The aim of this book is to present a comprehensive View of wireless telegraphy, its history, principles, systems, and possibilities in theory and practice. In considering inventions controversy has been avoided, although the claims of individual inventors have been carefully defined. Because of the complexity of the subject a certain amount of allusion in one part, to matters dealt with in another, has been inevitable; but it is hoped that such repetition may prove helpful to the reader. The book itself. Is de signed to be of use both to the general public and to the technical student. The author begs to acknowledge to the publishers his obligation for kind co-operation to the Century Magazine for extracts from the article by Mr. Mcgrath of St. Johns and to the Scientific American for extracts and diagrams from an article by Mr. A. F. Collins. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.