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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 .
 person: Wimshurst
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Wimshurst