What type of details about henry wimshurst can be gathered from the following bio? Bio: henry wimshurst -lrb- 1804 -- 1884 -rrb- was a 19th-century british shipbuilder . wimshurst was in business at ratcliffe cross dock in east london . he is remembered primarily as the builder of , the world 's first propeller-driven steamship . while wimshurst can not take credit for '' archimedes '' ' revolutionary propulsion system -- which was the invention of francis pettit smith -- he was an '' ardent supporter '' of smith and his technological breakthrough . he would later claim to have proposed an improved , two-bladed version of smith 's original propeller which was subsequently installed on the vessel . after completing '' archimedes '' in 1839 , wimshurst built a second screw-propelled steamship in 1840 , '' novelty '' , described as the world 's first screw-propelled cargo ship and the first screw-propelled ship to make a commercial voyage . wimshurst himself had an inventive turn of mind , and filed a number of patents during the course of his career . in 1854 , he built an experimental rotary steam engine , which when installed in a 300-ton screw-propelled ship , reportedly achieved an rpm of 45 and a top speed of 14 mph in tests conducted by the firm of boulton & watt . by comparison , a pair of conventional direct-acting engines later installed in the same ship achieved an rpm of 28 and a top speed of only 8 mph . a few years prior in 1850 , wimshurst developed an instrument for measuring the power exerted by a propeller shaft -- a forerunner of the torsion meter , an instrument for measuring the power transmitted by turbines . henry wimshurst was the father of james wimshurst , a late-19th century inventor who developed the wimshurst machine and an early device for generating x-rays .
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