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British Industrial History

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Simpson and Denison

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Simpson and Denison of Dartmouth, Devon, were makers of steam engines for marine use.

1880 Formation of the partnership between Francis Charles Simpson and Joseph Basil Denison.

1885 Engine made for Taylor's yard, Staines.

1886 Specialised in the construction of small steam engines for yachts; exhibited two examples at Liverpool including a rotary engine based on Kingdon's patent, which was unusual in that the motive power is obtained by means of a reciprocating movement; every part of the engine with the exception of the bed plate and bearings rotated, thereby justifying the name of rotary.[1]

1887 Partnership dissolved. '...t the Partnership heretofore subsisting between us the undersigned, Francis Charles Simpson, Joseph Basil Denison, and Edward Fanshawe Denison, carrying on business at Dartmouth, in the county of Devon, as Engineers, Ship, Yacht, and Launch Builders, under the style or firm of Simpson and Denisons, has been dissolved, by mutual consent, as and from the 30th day of June, 1887, from which day the said business will be carried on by the said Francis Charles Simpson...'[2]

1887 Frederic Strickland became a partner, the name of the firm being changed to Simpson, Strickland and Co.

The firm specialized in the building of fast steam launches, the works being, as far as possible, self-contained, and having its own foundry, machine shop, and boiler shop, including hydraulic flanging presses.



See Also

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Sources of Information

  • Stationary Steam Engines of Great Britain by George Watkins. Vol 10