Un manuel technique sur les principes de la statique graphique, appliqu e l'architecture et l'ing nierie. L'auteur explique comment calculer les forces et les tensions dans les structures, en utilisant des diagrammes et des dessins graphiques. 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 is in the "public domain in the United States...