The locomotives and system were cut up when the coke ovens closed.
The typical coke oven in Japan dates from the 1970's.
Looking into the glowing mouth of the coke ovens, a man could almost imagine what hell is like.
These coke ovens were restored in the 1990s for exhibition.
While most in the industry continued to supply their own needs, National shut its coke ovens to buy the fuel on the market.
When he reached the quadrangle, they'd put out the fire in the coke oven.
In the following year salt began to be harvested and coke ovens were built.
The year also saw the inclusion of 84 new coke ovens.
The coke ovens required a crew of 85 to remain in full operation.
It was good coking coal and 41 coke ovens were in use.