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Resúmenes de proyectos de investigación financiados con cargo al programa sectorial general del conocimiento. Año 1995
Informe sobre los proyectos financiados por el Plan Nacional de Investigación Científica y Desarrollo Tecnológico.
The Complete History of Railroads
Traversing landscapes and expediting travel, railroads have allowed us to conquer once elusive frontiers to improve both transportation and commerce. Railroad design has changed remarkably little in the years since the invention of the steam engine, yet trains remain a prevalent form of transport and the railways. The bridges that have been developed to support them continue to be a vital part of infrastructures in countries around the world. This engaging volume examines the evolution of railways, railcars, and bridges, as well as the lives of pioneers and tycoons in the railroad business.
To Their Own Soil
This book attempts to redress the imbalance in knowledge of southern and northern agriculture before the Civil War. Against the rich historical analysis and description of the slave South must be compared the relative paucity of quantitative analysis, and even description, of antebellum northern agriculture. The study is the first of its kind to organize a large sample of quantitative data drawn from across the northern tier of the United States. The temporal coverage is the second half of the nineteenth century with the primary emphasis on the late antebellum period. What emerges is a detailed quantitative description and analysis of norther agriculture. This compelling picture provides not...
