John C. Hartfield's
John Charles Hartfield
Gebundenes Buch

John C. Hartfield's "Lisbonian" Selection of Roots and Terminals

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In a world grappling with cybersecurity and data privacy, understanding the history of secure communications is more crucial than ever. John C. Hartfield's 'Lisbonian' Selection of Roots and Terminals offers a fascinating glimpse into the intricate world of telegraph codes, a vital tool for confidential communication in the early 20th century. This document delves into the meticulous construction of a code language, featuring 21,323 five-letter words, which translates to an astounding 454,670,329 ten-letter words designed for secure and efficient transmission via telegraph. Hartfield's work di...