Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. French ship Napoleon (1850) - The Napoleon was a 90-gun ship of the line of the French Navy and the first purpose-built steam battleship in the world. She is also considered the first true steam battleship and the first screw battleship ever. Launched in 1850 she was the lead ship of a class of 9 battleships all built over a period of 10 years. This class of ship was designed by the famous naval designer Henri Dupuy de Lome.
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