Synthesis of the comparative research on the pre-modern technology based on the scientific research of excavated materials in archaeological sites connected to production

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This scientific research, focusing on the real objects excavated in the archaeological sites concerning to the production, will complement mutually the usual research on historical documents and inherited objects and contributes to integrate the comprehension to the technology in the Japanese pre-modern times. This research mainly treated metals and metal objects especially ; because metals are representative materials to support the evolution of human being and can provide the viewpoint to see the history perspectively. It aims at the reevaluation of pre-modern technology in Japan, through the vicissitudes of metal technology from the ancient times to the modern times. The scientific research in the Iwami silver mine site is one of examples, in which the silver smelting processes were scientifically revealed by a chain of analyses of excavated objects. Moreover, about pottery, "pottery glaze study group" was started and the materials science-analysis of glaze and the relation of color have been pursued. The formation process of Hidasuki, a characteristic reddish coloring pattern on traditional Japanese unglazed stoneware called Bizen, was studied through model experiments. As the results of researches, the many public presentations were performed. Especially, symposium "history of "monozukuri(the production)" probed through the archaeological sites connected with production" has been held in series.