The Invisible Weapon

A mine of useful information for communication researchers....The data presented here represent a major contribution to the field and will be of immense value to scholars interested in the historical linkages between mass media and communication technology .A refreshing-and relativizing-historical perspective. --Journal of Communication A rare and welcome contribution to the underdeveloped literature on technology and international relations. --Foreign Affairs A well-balanced book that presents the growth of telecommunications technologies within a global context. --Journal of World History Headrick's broad-ranging study of the connections between international communications and world politics from the rise of the submarine cable to the end of World War II makes a major contribution. --Journal of Interdisciplinary History The value of Headrick's book to communication historians is primarily in its compilation of a wealth of examples and minute details about Western cable development and politics the world over.... A good resource for anyone interested in the early global development of telecommunications. --Journalism History With The Invisible Weapon Daniel Headrick puts the capstone on a decade of solid research centered on technology and global politics during the nineteenth and twentieth century....A work that future historians will turn to repeatedly as the study of information and communications takes on increasing intellectual and social importance. --Business History Review A fascinating study of the impact of one particular ingredient of the nineteenth-century scientific and technological revolution which is still transforming the modern world. --European History Quarterly