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"Telephone History."
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The People's Network
The Bell System dominated telecommunications in the United States and Canada for most of the twentieth century, but its monopoly was not inevitable. In the decades around 1900, ordinary citizens-farmers, doctors, small-town entrepreneurs-established tens of thousands of independent telephone systems, stringing their own wires to bring this new technology to the people. Managed by opportunists and idealists alike, these small businesses were motivated not only by profit but also by the promise of open communication as a weapon against monopoly capital and for protection of regional autonomy. As the Bell empire grew, independents fought fiercely to retain control of their local networks and companies-a struggle with an emerging corporate giant that has been almost entirely forgotten.
The People's Networkreconstructs the story of the telephone's contentious beginnings, exploring the interplay of political economy, business strategy, and social practice in the creation of modern North American telecommunications. Drawing from government documents in the United States and Canada, independent telephone journals and publications, and the archives of regional Bell operating companies and their rivals, Robert MacDougall locates the national debates over the meaning, use, and organization of the telephone industry as a turning point in the history of information networks. The competing businesses represented dueling political philosophies: regional versus national identity and local versus centralized power. Although independent telephone companies did not win their fight with big business, they fundamentally changed the way telecommunications were conceived.
eBook
Thomas Edison, le magicien de Menlo Park
Découvrez enfin tout ce qu'il faut savoir sur Thomas Edison et ses inventions en moins d'une heure! Inventeur de génie, Thomas Edison est aussi l'un des plus prolifiques de tous les temps. Pourtant, rien ne laissait présager un tel destin... Peu scolarisé, il est d'abord vendeur de journaux à 12 ans, puis télégraphiste à 15, avant de devenir l'un des meilleurs ingénieurs de Wall Street à seulement 22 ans. Il ne cesse dès lors d'accumuler les succès. Doté d'une curiosité insatiable et passionné depuis l'enfance par les expériences en tous genres, il crée coup sur coup les plus grandes inventions modernes: le microphone, le phonographe, l'ampoule électrique, le kinétographe, le kinétoscope... Autant d'appareils qui changeront radicalement la vie des hommes du monde entier! Ce livre vous permettra d'en savoir plus sur: •La vie de Thomas Edison
•Le contexte de l'époque
•Les grandes inventions de Thomas Edison
•Les répercussions de ses inventions Le mot de l'éditeur:
« Dans ce numéro de la collection « 50MINUTES Grandes Inventions », Benjamin Reyners nous fait découvrir la vie de l'un de plus grands inventeurs américains, Thomas Edison. Tel un Léonard de Vinci, il n'a cessé durant sa vie de perfectionner des objets pour les rendre utilisables par un plus grand nombre et d'en créer d'autres qui révolutionneront grandement le quotidien de millions de personnes. Avec plus d'un millier de brevets à son actif, il est de loin l'un des plus incroyables créateurs de tous les temps. » Stéphanie Dagrain
À PROPOS DE LA SÉRIE 50MINUTES | Grandes Inventions La série « Grandes Inventions » de la collection « 50MINUTES » présente plus de cinquante inventions qui ont bouleversé notre quotidien. Chaque livre a été pensé pour les lecteurs curieux qui veulent faire le tour d'un sujet précis, tout en allant à l'essentiel, et ce en moins d'une heure. Nos auteurs combinent les faits historiques, les analyses et les nouvelles perspectives pour rendre accessibles des siècles d'histoire.
eBook
The history of telephones
Students will gain hands-on experience working with fractions and decimals while reading about the history of the telephone. This fiction book seamlessly integrates the teaching of math and reading, and uses real-world examples to make students comfortable working with fractions. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Text features include captions, a glossary, an index, and a table of contents to increase students' vocabulary and literacy skills and their interaction with the text. Math Talk poses problems for further thinking, requiring students to use their higher-order thinking skills.
eBook
Alexander Graham Bell
Presents the life and career of Alexander Graham Bell, examining how he invented the telephone and his work with the deaf.
BOOK
The History of Telephones
This math reader integrates math and literacy skills and uses real-world examples to help students explore math in a meaningful way. Students will work with fractions while engaged in reading about the history of telecommunications.
eBook
Listen up! : Alexander Graham Bell's talking machine
Alexander Graham Bell invents a talking machine he calls the telephone and demonstrates it at the World's Fair in Philadelphia in 1876.
BOOK
