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Structures of Change in the Mechanical Age

, 448 pages

6 line drawings

March 2009



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Structures of Change in the Mechanical Age

Technological Innovation in the United States, 1790–1865

The United States registered phenomenal economic growth between the establishment of the new republic and the end of the Civil War. Ross Thomson's fresh study accounts for the unprecedented technological innovations that helped propel antebellum growth.

Thomson argues that the transition of the United States from an agrarian economy in 1790 to an industrial leader in 1865 relied fundamentally on the spread of technological knowledge within and across industries. Essential to this spread was a dense web of knowledge-diffusing institutions—new occupations and industries, the patent office, machine shops, mechanics’ associations, scientific societies, public colleges, and the civil engineering profession. Together they composed an integrated innovation system that generated, disseminated, and employed new technical knowledge across ever-widening ranges of the economy.

To trace technological change in fourteen major industries and the economy as a whole, Thomson analyzes 14,000 patents, the records of two dozen machinery firms, census data for 1,800 companies, and hundreds of business directories. This exhaustive research leads to his interesting interpretation of technological diffusion and development. Thomson's impressive study of the infrastructure that fueled and supported the young country’s economic and industrial successes will interest students of economic, technological, and business history.

Ross Thomson is an associate professor of economics at the University of Vermont and author of The Path to Mechanized Shoe Production in the United States and editor of Learning and Technological Change.

"One of the best characterizations of how technological change occurs that I have ever read."

"Highly recommended."

"A rich and detailed study of the early development of the American system of technological innovation... It is an important work and likely to become required reading for generations of scholars of the innovative process."

"Repeatedly fascinating... Thomson is to be commended."

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