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Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (42 download)
Download or read book The Bell System Technical Journal written by and published by . This book was released on 1922 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.3/5 (555 download)
Download or read book The Bell System Technical Journal written by and published by . This book was released on 1922 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Telephone and Telegrap Company
Publisher :
ISBN 13 : 9781330608005
Total Pages : 314 pages
Book Rating : 4.6/5 (8 download)
Download or read book The Bell System Technical Journal, 1923, Vol. 1 (Classic Reprint) written by American Telephone and Telegrap Company and published by . This book was released on 2015-09-27 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Bell System Technical Journal, 1923, Vol. 1 Modern industry is characterized by the extent to which scientific research and technique based on precise study have contributed to its progress. So complete has been the adaptation of and reliance on scientific research in many industries that it is difficult at this time to visualize the state of affairs of two or three decades ago, when substantially all industry on its technical side was dependent for advancement on cut-and-try, rule-of-thumb, methods of development. Today in many industries the management would not think of embarking on a new project without consulting their research engineers. Many industries have proved the benefits to be derived from the utilization of that organized knowledge provided both in the fields of the physical sciences and in those newer fields which have to do with psychology and economics. There are still greater numbers of industrial organizations where the adoption of scientific methods has been slow. However, the time will undoubtedly come when every industry will recognize the aid it can derive from scientific research in some form as it now recognizes its dependence for motive power on steam or electricity rather than on muscular activity. 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.
Author : American Telephone and Telegraph Comp
Publisher : Legare Street Press
ISBN 13 : 9781019754108
Total Pages : 0 pages
Book Rating : 4.7/5 (541 download)
Download or read book The Bell System Technical Journal; Volume 27 written by American Telephone and Telegraph Comp and published by Legare Street Press. This book was released on 2023-07-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bell System Technical Journal is a scholarly journal published by the American Telephone and Telegraph Company. It contains articles on a variety of topics related to telecommunications, including switching theory, microwave transmission, and computer networking. The articles are written by AT&T engineers and researchers, and are intended to contribute to the scientific community's understanding of telecommunications technology. This journal is a must-read for anyone interested in the history and development of the telecommunications industry in the United States. 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 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. 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.
Author : R. W. King
Publisher : Forgotten Books
ISBN 13 : 9781396355295
Total Pages : 774 pages
Book Rating : 4.3/5 (552 download)
Download or read book The Bell System Technical Journal, 1948, Vol. 27 written by R. W. King and published by Forgotten Books. This book was released on 2018-09-23 with total page 774 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Bell System Technical Journal, 1948, Vol. 27: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication F igure 2 is a rear view of the same equipment. Cables in the four horizontal ducts shown carry control pulses from the timing bay to the 12-channel group bays. These ducts are large enough in cross-section to handle all the cables required for a complete 96-channel terminal. 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.
Author : R. W. King
Publisher : Forgotten Books
ISBN 13 : 9781390935844
Total Pages : 476 pages
Book Rating : 4.9/5 (358 download)
Download or read book The Bell System Technical Journal, 1941, Vol. 20 (Classic Reprint) written by R. W. King and published by Forgotten Books. This book was released on 2018-09-24 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Bell System Technical Journal, 1941, Vol. 20 Whether sampling may be employed to advantage in place of 100% inspection usually depends, of course, on the purpose for which inspection is made. The sampling tables here presented provide definite procedures for conducting inspections that have certain immediate purposes which are described in some detail. Through their provision for instituting a screening inspection whenever quality falls below an acceptable level, the procedures have been found in practice to enforce a program of controlling quality in process as the alternative to high inspection costs. 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.
Author : Bancroft Gherardi
Publisher : Forgotten Books
ISBN 13 : 9780282840594
Total Pages : 888 pages
Book Rating : 4.8/5 (45 download)
Download or read book The Bell System Technical Journal, 1930, Vol. 9 written by Bancroft Gherardi and published by Forgotten Books. This book was released on 2017-10-21 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Bell System Technical Journal, 1930, Vol. 9: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication As has been stated by Mr. Gifford, President of the American Telephone and Telegraph Company, The ideal and aim today of the American Telephone and Telegraph Company and its Associated Companies is a telephone service for the nation, free, so far as humanly possible, from imperfections, errors, or delays, and enabling at all times any one anywhere to pick up a telephone and talk to any one else anywhere else, clearly, quickly and at a reasonable cost. With this aim in view, continuous effort is made further to improve and to extend the service within the nation and also the telephonic con nections to other nations. It is recognized also that changes in business and social conditions bring about repeated changes in the services desired by the people of the nation and in the character and appearance of facilities furnished to them. These facts, in addition to the onward march of the application of science, form an important basis for the continued study by the general staff of the development of all phases of the telephone system. A few figures relative to the size and growth of the Bell System are helpful in an understanding of the more specific telephone prob lems which are discussed below. Such figures are included in the statistical summary appended to this paper and include data regarding telephone messages, numbers of telephones, miles of wire and amount Of telephone plant. 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.
Author :
Publisher :
ISBN 13 :
Total Pages : 282 pages
Book Rating : 4.:/5 (111 download)
Download or read book The Bell System Technical Journal written by and published by . This book was released on 1963 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Telephone and Telegraph Company
Publisher : Forgotten Books
ISBN 13 : 9780282839710
Total Pages : 736 pages
Book Rating : 4.8/5 (397 download)
Download or read book The Bell System Technical Journal, 1934, Vol. 13 written by Telephone and Telegraph Company and published by Forgotten Books. This book was released on 2017-10-21 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Bell System Technical Journal, 1934, Vol. 13: Devoted to the Scientific and Engineering Aspects of Electrical Communication Summer Convention, Chicago, Ill., June, 1933; published in Electrical Engineering, July. 1933, and in Bell Sys. Tech. Jour., July, 1933. 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.
Author : R. W. King
Publisher : Forgotten Books
ISBN 13 : 9781396745393
Total Pages : 486 pages
Book Rating : 4.7/5 (453 download)
Download or read book The Bell System Technical Journal, 1945, Vol. 24 written by R. W. King and published by Forgotten Books. This book was released on 2018-10-11 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Bell System Technical Journal, 1945, Vol. 24: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication T has been known for a long time that all kinds of oscillators are subject to the trouble variously referred to as intermittent oscillation, motor boating, or squegging. In conventional circuits such as the Hartley the phenomenon is most likely to be observed if the grid leak and grid condenser are abnormally large. It is found that the time constant of this combina tion must be reduced as the frequency is raised and as the Q of the resonant circuit is decreased. At frequencies above a few hundred megacycles the problem of producing a practical circuit with suitable margin of stability is quite difficult. With the advent of the oscillator having automatic output control the problem assumed a new aspect}, 2 By application of an amplified control circuit a high degree of constancy of output together with low harmonic output is obtained. Satisfactory Operation is secured, however, only when suitable attention is given to\the characteristics of the control circuit. The intentional generation of pulses by means of intermittent oscillations of relatively high frequency has been studied to some extent, and circuits of this kind are employed in some television systems. Usually the high frequency oscillation is limited to a small portion of the low-frequency cycle, the charge stored during this period being allowed to dissipate itself relatively slowly during the remainder of the cycle. 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.
Author : J. J. Carty
Publisher : Forgotten Books
ISBN 13 : 9781396007125
Total Pages : 726 pages
Book Rating : 4.0/5 (71 download)
Download or read book The Bell System Technical Journal, 1924, Vol. 3 written by J. J. Carty and published by Forgotten Books. This book was released on 2018-10-12 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Bell System Technical Journal, 1924, Vol. 3: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication The subjects of relay design, manufacture and maintenance and also telegraph relays will be dealt with in future papers. 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.
Author : R. W. King
Publisher :
ISBN 13 : 9780656470877
Total Pages : 622 pages
Book Rating : 4.4/5 (78 download)
Download or read book The Bell System Technical Journal, 1937, Vol. 16 written by R. W. King and published by . This book was released on 2018-02-13 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Telephone and Telegraph Comp
Publisher : Legare Street Press
ISBN 13 : 9781022714366
Total Pages : 0 pages
Book Rating : 4.7/5 (143 download)
Download or read book The Bell System Technical Journal; Volume 2 written by American Telephone and Telegraph Comp and published by Legare Street Press. This book was released on 2023-07-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of technical articles from the world-renowned Bell System Technical Journal offers a comprehensive overview of the latest developments in telecommunications technology. From cutting-edge research on fiber optic networks to practical advice on maintaining telephone lines, this journal is an essential resource for anyone in the field of telecommunications. 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 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. 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.
Author : American Telephone and Telegraph Comp
Publisher : Legare Street Press
ISBN 13 : 9781020185007
Total Pages : 0 pages
Book Rating : 4.1/5 (85 download)
Download or read book The Bell System Technical Journal, Volumes 1-2 written by American Telephone and Telegraph Comp and published by Legare Street Press. This book was released on 2023-07-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Bell System Technical Journal, published by the American Telephone and Telegraph Company, is an essential resource for anyone interested in telecommunications. This two-volume set includes groundbreaking research on topics ranging from circuit switching to transmission theory. 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 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. 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.
Author : R. W. King
Publisher : Forgotten Books
ISBN 13 : 9780282868260
Total Pages : 682 pages
Book Rating : 4.8/5 (682 download)
Download or read book The Bell System Technical Journal, 1940, Vol. 19 written by R. W. King and published by Forgotten Books. This book was released on 2017-10-22 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Bell System Technical Journal, 1940, Vol. 19: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication Fig. 1 - Electron shells in an atom of iron. The arrow indicates the incomplete sub-shell that is responsible for ferromagnetism. The numbers specify how many electrons With each spin are in the corresponding sub-shells. 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.
Author : American Telephone and Telegraph Comp
Publisher : Legare Street Press
ISBN 13 : 9781021794741
Total Pages : 0 pages
Book Rating : 4.7/5 (947 download)
Download or read book The Bell System Technical Journal; Volume 1 written by American Telephone and Telegraph Comp and published by Legare Street Press. This book was released on 2023-07-18 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This journal was published by the American Telephone and Telegraph Company and contains technical articles, research papers, and reports related to telecommunications technology. Written by engineers and scientists at AT&T, Bell Labs, and other affiliated organizations, this journal is a valuable resource for anyone studying the history and development of telecommunications technology in the 20th century. 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 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. 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.
Author : R. W. King
Publisher : Forgotten Books
ISBN 13 : 9781527811157
Total Pages : 784 pages
Book Rating : 4.8/5 (111 download)
Download or read book The Bell System Technical Journal, 1939, Vol. 18 written by R. W. King and published by Forgotten Books. This book was released on 2017-10-28 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Bell System Technical Journal, 1939, Vol. 18: A Journal Devoted to the Scientific and Engineering Aspects of Electrical Communication Certain types of electrostatic fields may be used as lenses to focus electron beams. The theory of these lenses is developed for electric fields that are symmetrical about a central axis. The introduction of two velocity functions exactly reduces the partial differential equations of electron motion to a series of ordinary differential equations. The first equation describes the action of a lens for electron paths near the axis; the remaining equations determine the higher order aberration terms. Sections on the following subjects are included: the general equations of electron optics, thin lenses, thick lenses, aberration, the reduction of aberra ration, apertured plates, and concentric tubes. A list of symbols and lens equations is also included at the end of the article. N certain types of modern vacuum tubes, a beam of electrons is brought to a focus by an electrostatic field whose action on the beam is analogous to that of an optical lens on a beam of light. An electrostatic field which acts in this manner is called an electron lens. Such lenses are rapidly finding applications in amplifier tubes, tele vision and oscillograph tubes, electron microscopes, and various types of experimental apparatus. As the extent of their application widens, the theory of these lenses naturally assumes a corresponding importance. 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.
