The Poulsen Arc Generator PDF Download
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Author: Cyril Frank Elwell
Publisher:
ISBN:
Category : Electric arc
Languages : en
Pages : 206
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Author: Cyril Frank Elwell
Publisher:
ISBN:
Category : Electric arc
Languages : en
Pages : 206
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Book Description
Author: Sungook Hong
Publisher: MIT Press
ISBN: 0262514192
Category : Technology & Engineering
Languages : en
Pages : 267
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Book Description
A new look at the early history of wireless communication. By 1897 Guglielmo Marconi had transformed James Clerk Maxwell's theory of electromagnetic waves into a workable wireless telegraphy system, and by 1907 Lee de Forest had invented the Audion, a feedback amplifier and oscillator that opened the way to practical radio transmission. Fifteen years after Marconi's invention, wireless had become an essential means of communication, as well as a hobby for many. This book offers a new perspective on the early days of wireless communication. Drawing on previously untapped archival evidence and recent work in the history and sociology of science and technology, it examines the substance and context of both experimental and theoretical aspects of engineering and scientific practices in the first years of this technology. It offers new insights into the relationship between Marconi and his scientific advisor, the physicist John Ambrose Fleming (inventor of the vacuum tube). It includes the full story of the infamous 1903 incident in which Marconi's opponent Nevil Maskelyne interfered with Fleming's public demonstration of Marconi's syntonic (tuning) system at the Royal Institution by sending derogatory messages from his own transmitter. The analysis of the Maskelyne affair highlights the struggle between Marconi and his opponents, the efficacy of early syntonic devices, Fleming's role as a public witness to Marconi's private experiments, and the nature of Marconi's "shows." It also provides a rare case study of how the credibility of an engineer can be created, consumed, and suddenly destroyed. The book concludes with a discussion of de Forest's Audion and the shift from wireless telegraphy to radio.
Author: Anton A. Huurdeman
Publisher: John Wiley & Sons
ISBN: 9780471205050
Category : Technology & Engineering
Languages : en
Pages : 670
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Book Description
The first comprehensive history of the Information Age... how we got there and where we are going The exchange of information is essential for both the organization of nature and the social life of mankind. Until recently, communication between people was more or less limited by geographic proximity. Today, thanks to ongoing innovations in telecommunications, we live in an Information Age where distance has ceased to be an obstacle to the sharing of ideas. The Worldwide History of Telecommunications is the first comprehensive history ever written on the subject, covering every aspect of telecommunications from a global perspective. In clear, easy-to-understand language, the author presents telecommunications as a uniquely human achievement, dependent on the contributions of many ingenious inventors, discoverers, physicists, and engineers over a period spanning more than two centuries. From the crude signaling methods employed in antiquity all the way to today’s digital era, The Worldwide History of Telecommunications features complete and fascinating coverage of the groundbreaking innovations that have served to make telecommunications the largest industry on earth, including: Optical telegraphy Electrical telegraphy via wires and cables Telephony and telephone switching Radio transmission technologies Cryptography Coaxial and optical fiber networks Telex and telefax Multimedia applications Broad in scope, yet clear and logical in its presentation, this groundbreaking book will serve as an invaluable resource for anyone involved or merely curious about the ever evolving field of telecommunications. AAP-PSP 2003 Award Winner for excellence in the discipline of the "History of Science"
Author:
Publisher:
ISBN:
Category : Electrical engineering
Languages : en
Pages : 1096
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Author:
Publisher:
ISBN:
Category : Electricity
Languages : en
Pages : 928
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Author: United States Naval Institute
Publisher:
ISBN:
Category : Naval art and science
Languages : en
Pages : 1096
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Author:
Publisher:
ISBN:
Category : Electrical engineering
Languages : en
Pages : 622
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Author:
Publisher:
ISBN:
Category : Electrical engineering
Languages : en
Pages : 992
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Author: Alfred Norton Goldsmith
Publisher:
ISBN:
Category : Radio
Languages : en
Pages : 266
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Book Description
Batcheller Collection.
Author: P.C. Association
Publisher: Рипол Классик
ISBN: 5882248175
Category : History
Languages : en
Pages : 671
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Book Description
