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Author : Henry J. Rogers
Publisher : Unknown
Page : 366 pages
File Size : 52,9 Mb
Release : 1845
Category : Cipher and telegraph codes
ISBN : HARVARD:HN7UXG
Author : Henry J. Rogers
Publisher : Unknown
Page : 372 pages
File Size : 47,6 Mb
Release : 1847
Category : Cipher and telegraph codes
ISBN : NYPL:33433008120234
Author : Joseph Sabin
Publisher : Unknown
Page : 600 pages
File Size : 42,7 Mb
Release : 1888
Category : America
ISBN : PRNC:32101043492881
Author : Mercantile Library Company (PHILADELPHIA)
Publisher : Unknown
Page : 728 pages
File Size : 42,5 Mb
Release : 1870
Category : Electronic
ISBN : BL:A0026240599
Author : Mercantile Library of Philadelphia
Publisher : Unknown
Page : 730 pages
File Size : 51,7 Mb
Release : 1870
Category : Dictionary catalogs
ISBN : HARVARD:32044080251440
Author : ohne Autor
Publisher : BoD – Books on Demand
Page : 718 pages
File Size : 41,5 Mb
Release : 2020-04-08
Category : Fiction
ISBN : 9783846048054
Reprint of the original, first published in 1870.
Author : Kenneth B. Lifshitz
Publisher : McFarland
Page : 344 pages
File Size : 46,9 Mb
Release : 2017-01-30
Category : History
ISBN : 9781476665597
The single-wire telegraph revolutionized long distance communication but it was not the brainchild of one inventor, Samuel Morse. His colleagues and employees--specifically Ezra Cornell and Joseph Henry--made crucial contributions. Examining the careers of the three men and the key events, this book presents Morse as primarily a businessman and consolidator of ideas who, frequently in conflict with his associates, sought to present the telegraph as a uniform system under his sole imprimatur. The battle between Morse and Cornell over the invention of the magnetic relay was central to the drama. What emerges is a complex portrait of three ambitious and brilliant innovators and the age in which they lived.
Author : Anonim
Publisher : Unknown
Page : 504 pages
File Size : 47,6 Mb
Release : 1858
Category : Library catalogs
ISBN : NYPL:33433069143729
Author : Mercantile Library Association (BALTIMORE)
Publisher : Unknown
Page : 348 pages
File Size : 45,6 Mb
Release : 1851
Category : Electronic
ISBN : BL:A0018229535
Author : Joseph Sabin
Publisher : Unknown
Page : 594 pages
File Size : 51,5 Mb
Release : 1888
Category : America
ISBN : HARVARD:HB9RPE
Author : David Kahn
Publisher : Simon and Schuster
Page : 1307 pages
File Size : 53,7 Mb
Release : 1996-12-05
Category : History
ISBN : 9781439103555
The magnificent, unrivaled history of codes and ciphers -- how they're made, how they're broken, and the many and fascinating roles they've played since the dawn of civilization in war, business, diplomacy, and espionage -- updated with a new chapter on computer cryptography and the Ultra secret. Man has created codes to keep secrets and has broken codes to learn those secrets since the time of the Pharaohs. For 4,000 years, fierce battles have been waged between codemakers and codebreakers, and the story of these battles is civilization's secret history, the hidden account of how wars were won and lost, diplomatic intrigues foiled, business secrets stolen, governments ruined, computers hacked. From the XYZ Affair to the Dreyfus Affair, from the Gallic War to the Persian Gulf, from Druidic runes and the kaballah to outer space, from the Zimmermann telegram to Enigma to the Manhattan Project, codebreaking has shaped the course of human events to an extent beyond any easy reckoning. Once a government monopoly, cryptology today touches everybody. It secures the Internet, keeps e-mail private, maintains the integrity of cash machine transactions, and scrambles TV signals on unpaid-for channels. David Kahn's The Codebreakers takes the measure of what codes and codebreaking have meant in human history in a single comprehensive account, astonishing in its scope and enthralling in its execution. Hailed upon first publication as a book likely to become the definitive work of its kind, The Codebreakers has more than lived up to that prediction: it remains unsurpassed. With a brilliant new chapter that makes use of previously classified documents to bring the book thoroughly up to date, and to explore the myriad ways computer codes and their hackers are changing all of our lives, The Codebreakers is the skeleton key to a thousand thrilling true stories of intrigue, mystery, and adventure. It is a masterpiece of the historian's art.
Author : Library of Congress
Publisher : Unknown
Page : 1250 pages
File Size : 44,8 Mb
Release : 1864
Category : Library catalogs
ISBN : UCAL:C2538430
Author : Anonim
Publisher : Unknown
Page : 1050 pages
File Size : 43,6 Mb
Release : 1860
Category : Encyclopedias and dictionaries
ISBN : HARVARD:HN5UZW
Author : Anonim
Publisher : Unknown
Page : 1048 pages
File Size : 42,9 Mb
Release : 1860
Category : Electronic
ISBN : BSB:BSB10351545
Author : Alexandre Vattemare
Publisher : Unknown
Page : 542 pages
File Size : 41,9 Mb
Release : 1843
Category : Botanical specimens
ISBN : HARVARD:32044080109697
