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Author: Parker Hitt
Publisher:
ISBN:
Category : Cipher
Languages : en
Pages : 118
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Book Description
Author: Parker Hitt
Publisher:
ISBN:
Category : Cipher
Languages : en
Pages : 118
Get Book Here
Book Description
Author: Parker Hitt
Publisher:
ISBN:
Category : Ciphers
Languages : en
Pages : 100
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Book Description
Author: Parker Hitt
Publisher: Forgotten Books
ISBN: 9781440087660
Category : Games & Activities
Languages : en
Pages : 116
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Book Description
Excerpt from Manual for the Solution of Military Ciphers The history of war teems with occasions where the interception of dispatches and orders written in plain language has resulted in defeat and disaster for the force whose intentions thus became known at once to the enemy. For this reason, prudent generals have used cipher and code messages from time immemorial. The necessity for exact expression of ideas practically excludes the use of codes for military work although it is possible that a special tactical code might be useful for preparation of tactical orders. It is necessary therefore to fall back on ciphers for general military work if secrecy of communication is to be fairly well assured. It may as well be stated here that no practicable military cipher is mathematically indecipherable if intercepted; the most that can be expected is to delay for a longer or shorter time the deciphering of the message by the interceptor. The capture of messengers is no longer the only means available to the enemy for gaining information as to the plans of a commander. All radio messages sent out can be copied at hostile stations within radio range. If the enemy can get a fine wire within one hundred feet of a buzzer line or within thirty feet of a telegraph line, the message can be copied by induction. Messages passing over commercial telegraph lines, and even over military lines, can be copied by spies in the offices. On telegraph lines of a permanent nature it is possible to install high speed automatic sending and receiving machines and thus prevent surreptitious copying of messages, but nothing but a secure cipher will serve with other means of communication. 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: Parker Hitt
Publisher: Scholar's Choice
ISBN: 9781297079979
Category :
Languages : en
Pages : 110
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Book Description
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.
Author: John F. Dooley
Publisher: Springer
ISBN: 3319294156
Category : Science
Languages : en
Pages : 284
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Book Description
When the United States declared war on Germany in April 1917, it was woefully unprepared to wage a modern war. Whereas their European counterparts already had three years of experience in using code and cipher systems in the war, American cryptologists had to help in the building of a military intelligence unit from scratch. This book relates the personal experiences of one such character, providing a uniquely American perspective on the Great War. It is a story of spies, coded letters, plots to blow up ships and munitions plants, secret inks, arms smuggling, treason, and desperate battlefield messages. Yet it all begins with a college English professor and Chaucer scholar named John Mathews Manly. In 1927, John Manly wrote a series of articles on his service in the Code and Cipher Section (MI-8) of the U.S. Army’s Military Intelligence Division (MID) during World War I. Published here for the first time, enhanced with references and annotations for additional context, these articles form the basis of an exciting exploration of American military intelligence and counter-espionage in 1917-1918. Illustrating the thoughts of prisoners of war, draftees, German spies, and ordinary Americans with secrets to hide, the messages deciphered by Manly provide a fascinating insight into the state of mind of a nation at war.
Author: Betsy Rohaly Smoot
Publisher: University Press of Kentucky
ISBN: 0813182425
Category : Biography & Autobiography
Languages : en
Pages : 391
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Book Description
"Success in dealing with unknown ciphers is measured by these four things in the order named: perseverance, careful methods of analysis, intuition, luck." So begins the first chapter of Colonel Parker Hitt's 1916 Manual for the Solution of Military Ciphers, a foundational text in the history of cryptology. An irrepressible innovator, Hitt possessed those qualities in abundance. His manual, cipher devices, and proactive mentorship of Army cryptology during World War I laid the groundwork for the modern American cryptologic system. Though he considered himself an infantryman, Hitt is best known as the "father of American military cryptology." In Parker Hitt: The Father of American Military Cryptology, Betsy Rohaly Smoot brings Hitt's legacy to life, chronicling his upbringing, multiple careers, ingenious mind, and independent spirit. In the 1910s, after a decade as an infantry officer, Hitt set his sights on aviation. Instead, he was drawn to the applied sciences, designing signal and machine-gun equipment while applying math to combat problems. Atypical for the time, Hitt championed women in the workplace. During World War I he suggested the Army employ American female telephone operators, while his wife, Genevieve Young Hitt, became the first woman to break ciphers for the United States government. His daughter, Mary Lue Hitt, carried on the family legacy as a "code girl" during World War II. Readers of Elizabeth Cobbs' The Hello Girls, Liza Mundy's Code Girls, and David Kahn's The Codebreakers will find in Parker Hitt's story an insightful profile of an American cryptologic hero and the early twentieth-century military. Drawing from a never-before-seen cache of Hitt's letters, photographs, and diaries, Smoot introduces readers to Hitt's life on the front lines, in classrooms and workshops, and at home.
Author:
Publisher:
ISBN:
Category : Bibliography
Languages : en
Pages : 552
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Book Description
Author: United States. War Department
Publisher:
ISBN:
Category : Ciphers
Languages : en
Pages : 180
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Book Description
"This pamphlet forms the basis of a course in military codes and ciphers given at the Signal School, Camp Alfred, N.J. by Capt. W.F. Friedman ..."--p. v.
Author: Steven E. Maffeo
Publisher:
ISBN:
Category : Espionage
Languages : en
Pages : 76
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Book Description
Author: George McMillan Darrow
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 74
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Book Description
