Traité De Télégraphie Optique Appliquée Aux Arts Militaires...

Cet ouvrage s'adresse aux militaires et présente les bases de la télégraphie optique appliquée aux arts militaires. Les auteurs, E. Ducretet et Rodolphe Van Wetter, nous expliquent comment utiliser cette technologie pour communiquer sur le champ de bataille. Un livre utile pour les amateurs d'histoire militaire qui souhaitent approfondir leurs connaissances.
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