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The process of making tamahagane continues for 36–72 hours (a day and a half to three days), depending on how many people work and how much metal is to be obtained. Within an hour of smelting, the iron sand sinks to the bottom, called the bed of fire, in which it will be assessed by color to determine which parts of the smelt will be combined ...
Early Japanese iron-working techniques are known primarily from archaeological evidence dating to the Asuka period (538–710 CE). Iron was first brought to Japan during the earlier Yayoi period (900 BCE to 248 CE). Iron artifacts of the period include farm implements, arrowheads, and rarely a knife blade.
The ensuing Yayoi period is characterized by great technological advances such as wet-rice agriculture or bronze and iron casting, which were introduced from the mainland. [9] [25] [26] Iron knives and axes, followed by bronze swords, spears and mirrors, were brought to Japan from Korea and China. [26] [27] Later all of these were produced ...
The iron produced here was used in the construction of Western-style warships, making it a unique example in which Japan's unique iron-making technology was used in Western-style shipbuilding. The site is half submerged by a dam; however, the main part of the ironworks survived in the northern half of the site and was excavated from 1900 to ...
Here are some basic tools to prepare for your first trip to Japan on your own. U.S. citizens do not need a visa to enter. However, you must complete an immigration declaration and another for ...
Katsunori Suzuki is one of a few craftsmen in Japan still producing cast iron cookware by hand using laborious traditional techniques. ... Suzuki fetches buckets of molten iron and hurriedly ...
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It takes about a week to build the tatara and complete the iron conversion to steel. When the process is done, the clay tub is broken and the steel bloom, known as a kera , is removed. At the end of the process, the tatara will have consumed about 9.1 t (9.0 long tons; 10.0 short tons) of satetsu and 11 t (11 long tons; 12 short tons) of ...