James Pickard was an English inventor. He modified the
Newcomen enginein a manner that it could deliver a rotary motion. His solution, which he patented in 1780, involved the combined use of a crank and a flywheel. James Watt, who was a contemporary of James Pickard, circumvented the latter's patent by inventing an alternative mechanical device, the so called sun and planet gear.
* [http://www.btinternet.com/~historical.engines/pickard.htm The Pickard Engine]
Nuvolari, A. / Verspagen, B. / von Tunzelmann, N. (2003) The Diffusion of the Steam Engine in Eighteenth-Century Britain, Paper to be presented at the 50th Annual North American Meetings of the Regional Science Association International, Philadelphia,
20 November- 22 November 2003.
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