Key points are not available for this paper at this time.
American and British Technology in the Nineteenth Century: The Search for Labour-Saving Inventions. By H. J. Habakkuk. Cambridge: Cambridge University Press Toronto: Macmillan. 1962. Pp. x, 222. 5. 50. - Volume 29 Issue 4
W. T. Easterbrook (Fri,) studied this question.