DISCUSSION. ON THE MEANS OF COMMUNICATION IN THE EMPIRE OF BRAZIL; CHIEFLY IN REFERENCE TO THE WORKS OF THE MANGATIBA SERRA ROAD, AND TO THOSE OF THE MAUA, THE FIRST BRAZILIAN RAILWAY.

Keywords: BRAZIL, SOUTH AMERICA, INFRASTRUCTURE, ROADS, RAILWAYS, COMMUNICATIONS, TRANSPORT, BRIDGES, STONE, COUNTRIES, DEVELOPING, COSTS, LABOUR