Chapelon fait le point sur les progr s r alis s en mati re de traction et de vitesse sur les chemins de fer en France et en Allemagne, notamment en mati re de moteurs d'essieux et d'a rodynamisme. 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 of America, and possibly other nations. Within...