The Tomioka Silk Mill in Japan was drawn up by Edmond Auguste Bastien, whose blueprint was completed in late December 1870 at the request of the engineer Paul Brunat. Odaka Atsutada led the Japanese side. The Meiji government owned the mill. Construction began in March 1871, and operations started on November 4, 1872. The lead says it was established in 1872, and the infobox gives only the 2014 UNESCO inscription.
The article names no architectural style. It is timber-framed brick with some hipped, tiled roofs, a riveted iron water tank and French glass windows. The reeling mill is 460 feet (140.4 m) long with 300 reels, and the cocoon warehouses are 342 feet (104.4 m) long.
Mitsui & Co. bought the mill in 1893. Production ended on February 26, 1987. Three buildings became National Treasures in 2014, the same year as the UNESCO listing. The article gives no hours.

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