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Folded diagrams
1946
Persistent link: https://www.econbiz.de/10001534395
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Report on power stowing in the Ruhr and Saar districts of Germany and the Limburg district of Holland
Macaskill, D. J. C. (contributor) - 1949
Persistent link: https://www.econbiz.de/10001534405
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Problems of increasing coal output
Vogel, Walter - 1948
Persistent link: https://www.econbiz.de/10001534414
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Planning a new area
Lehmann, K. - 1947
Persistent link: https://www.econbiz.de/10001534419
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Walsum mine - technical details
1947
Persistent link: https://www.econbiz.de/10001534422
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The evolution towards the combined mine
1947
Persistent link: https://www.econbiz.de/10001534424
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The technique of mining in the Ruhr
Fritche, C. H. - 1947
Persistent link: https://www.econbiz.de/10001534425
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Franz Haniel mine
1948
Persistent link: https://www.econbiz.de/10001534427
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Organisation and layout of underground faces in flat and medium formations in the Ruhr
Glebe, H. - 1947
Persistent link: https://www.econbiz.de/10001534428
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A study of efforts to increase face outputs
Glebe, Ernest - 1947
Persistent link: https://www.econbiz.de/10001534429