Parsons Marine Steam Turbine Company company. In 1944, Parsons was one of 19 companies which formed the 'Parsons and Marine Engineering Turbine Research and Development Association', usually known as Pametrada. The last ship to use a Parsons propulsion system was launched in 1964. The company was absorbed into C. A. Parsons and Company and survives in the Heaton area of Newcastle as part of Siemens, a German industrial conglomerate. Parsons Marine Steam Turbine Company Parsons Marine Steam Turbine Company was a British engineering company based in Wallsend, North East England, on the River Tyne. The company was founded by Charles Algernon Parsons in 1897 with
Potlatch (steamship) Potlatch (steamship) Potlatch was a steamship which was operated on Hood Canal from 1912 to 1917, on Puget Sound from 1917 to 1937, although the vessel was little used after 1917. Following the loss of the nearly-new but wooden steamship "Clallam" in 1904, Joshua Green, president of the Puget Sound Navigation Company, owner of the "Clallam" and the dominant Puget Sound shipping concern, announced that the company would replace its wooden steamships with ones built of steel. As part of this effort, the steel steamers "Potlatch" and "Sol Duc" were built simultaneously in Seattle by the Seattle Construction and Drydock