There is private paper money of the coal mine which was issued by mine operators. They aiso had been called Kinken, Tanken or Yamafuda. Our collection contains paper money of the coal mine in the broad sense of the term.
They contain the landscape painting of the coal mine from prewar days to postwar days.
There are maps and geological maps of coal mine. You can click an image to see a larger version.
They are photographs in the latter period of Meiji Era in Chikuho Sekitan Kogyo Kumiai Geppo (The Monthly Newsletter of Mining Partnership of Chikuho ). You can see modern constructions.
The organ paper of Mitsui-Miike Labor Union.
The organ paper of the Sekitan Kogyo Gojo-kai (Mutual-aid Association of coal mine, id est group of small and medium-sized coal-mining industry ).
Statistical tables about the mining industry.
The newspaper of the Nittan-Takamatsu Coal Mine. It was first launched in 1936.
They contains history of information about the fuel of the Imperial Japanese Navy, from the Meiji Era to Taisho Era.
There are research reports issued by the department of fuel, the Imperial Japanese Navy. You can see these confidential material at only this database.
There are relevant documents of The Japanese Bond in Foreign Currency (Title 2 bonds and mortgage), issued by the finance department of Japan.