Arkivism
Method of Refining Saltpeter
Public domain

Method of Refining Saltpeter

平野, 元良, -1867 · 文久3 [1863] · 丁子屋平兵衞 [ほか10名] 東都

From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.

Subjects
火術
Credit line硝石製煉法. 文久3 [1863]. 平野, 元良, -1867. National Diet Library, Japan. Public domain.

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