A surviving late-Edo ironworks facility in Izu-no-kuni City, registered in 2015 as part of the UNESCO World Cultural Heritage "Sites of Japan's Meiji Industrial Revolution." Built by Edo shogunate magistrate Egawa Hidetatu (Tanan) using Western technology, it was completed in 1857. The only surviving reverberatory furnace for cannon casting in Japan capable of operation. Its distinctive appearance…

The Nirayama Reverberatory Furnace is a modern ironworks facility initiated by Egawa Hidetatu (pen name: Tanan), the Izu magistrate of the Edo shogunate, and completed by his son Egawa Hidetake after his father's death. In the mid-19th century, as Western warships increasingly appeared in Japanese w…