Ron Fitzgerald takes a look at the history and development of the stationary steam engine.
Continued from p.752, M.E. 4757, November 29
It is difficult to estimate accurately the total number of high-pressure engines that were working by the beginning of 1805 but it must have exceeded one hundred and the future held promise for many more. By the nature of the arrangements that Trevithick had made the income that he and his two partners in the patent received was entirely derived from premium payments rather than manufacturing. In theory, the patent revenue should have been substantial but this proved to be far from the reality. Andrew Vivian's account book, made up to November 1804, showed only £1250 in received premiums (ref 368). From another source it is known that…
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Model Engineer (Digital) - 1 Issue, Issue 4760