Matches in DBpedia 2014 for { ?s ?p "John Penn FRS, (1805–1878) was a marine engineer, whose firm was pre-eminent in the middle of the nineteenth century due to his innovations in engine and propeller systems, which led his firm to be the major supplier to the Royal Navy as it made the transition from sail to steam power. He was also president of the Institution of Mechanical Engineers on two occasions."@en }
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- John_Penn_(engineer) abstract "John Penn FRS, (1805–1878) was a marine engineer, whose firm was pre-eminent in the middle of the nineteenth century due to his innovations in engine and propeller systems, which led his firm to be the major supplier to the Royal Navy as it made the transition from sail to steam power. He was also president of the Institution of Mechanical Engineers on two occasions.".
- John_Penn_(engineer) comment "John Penn FRS, (1805–1878) was a marine engineer, whose firm was pre-eminent in the middle of the nineteenth century due to his innovations in engine and propeller systems, which led his firm to be the major supplier to the Royal Navy as it made the transition from sail to steam power. He was also president of the Institution of Mechanical Engineers on two occasions.".