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Discussion of Mr. James Black's paper on 'Forming a shaft-pillar in thin seams'
By Black J.
Further discussion at the The Midland Counties Institution of Engineers' general meeting held in Nottingham on 6th May 1916, on the paper published in Trans. I.Min.E., vol.L, 1915, p.449, included bri
Dec 1, 1916
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Foreword (cbe6434e-e501-4bd7-a121-b2bc955da599)
By H. L. Willett
The self heating of coal, or spontaneous combustion, has been a problem for centuries. This symposium addresses the issue.
May 23, 1905