Matches in DBpedia 2016-04 for { ?s ?p "Adrian Stephens (1795 – 25 December 1876) was an English engineer, noted for inventing the steam whistle in 1833.Stephens was born in the Penzance area of Cornwall and came to Merthyr Tydfil, Wales, in 1827 to work at the Dowlais ironworks. The purpose of his invention was to act as a warning device on the boilers, and an early example can be seen in the museum at Cyfarthfa Castle."@en }
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- Adrian_Stephens comment "Adrian Stephens (1795 – 25 December 1876) was an English engineer, noted for inventing the steam whistle in 1833.Stephens was born in the Penzance area of Cornwall and came to Merthyr Tydfil, Wales, in 1827 to work at the Dowlais ironworks. The purpose of his invention was to act as a warning device on the boilers, and an early example can be seen in the museum at Cyfarthfa Castle.".
- Q4685373 comment "Adrian Stephens (1795 – 25 December 1876) was an English engineer, noted for inventing the steam whistle in 1833.Stephens was born in the Penzance area of Cornwall and came to Merthyr Tydfil, Wales, in 1827 to work at the Dowlais ironworks. The purpose of his invention was to act as a warning device on the boilers, and an early example can be seen in the museum at Cyfarthfa Castle.".