Tsukiji Reflectance Furnace, in 1850
This is the Japan’s first constructed Reflectance Furnace. In the late Edo period when the
necessity of maritime defence increased, the Saga clan built the Tsukiji Reflectance
Furnace for making cast iron-made Western cannons and completed in 1850. And then,
the cast iron cannon was manufactured the first time in Japan in 1851. The reflectance
furnace was greatly contributed for initial stage of Japan’s Industrial Modernization.
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