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A sample of patent records from the United States between 1790 and 1846 is employed to study the patterns in inventive activity. Patenting was pro-cyclical, and yet began to grow rapidly with the interruptions in foreign trade that preceded the War of 1812. A strong association between patenting and proximity to navigable waterways is also demonstrated. Although the importance of specific mechanisms remains unclear, both the temporal and cross-sectional evidence imply that inventive activity was positively related to the growth of markets during early industrialization.

This paper utilizes a survey of U. S. manufacturing firms from 1832 to investigate the structure of manufacturing investment during early industrialization. The relative magnitudes of investments in fixed and working capital, and how they varied with firm size, location, and industry, are documented. This variation across industries in the composition of capital investments is indicative of a more general variation in factor intensities, and bears on the issues of why industries became concentrated in the regions they did, and the degrees to which they were adversely affected by the limited availability of long–term loans. Evidence that most manufacturing industries had quite modest investments in machinery and tools per unit of labor is also presented, serving to undercut the notion that the early period of industrialization was based on a proliferation of new, machinery–intensive technologies.