The pillar and stall method of mining should be replaced by the long wall method, and coal-cutting machines would render blasting unnecessary. The most serious problem to be dealt with is that of ...

The company said the machine could cut 3km along a seam of coal each month. By way of comparison, it takes 100 about a year to advance 1km.

Since 1864, underground mining equipment manufacturer Eickhoff has been improving the lives of coal miners with the production of coal mining machines, having made the first coal cutting system in ...

There were two men to operate a Siscol cutter at the coal face, as we had to cut the layer of stone out of the coal,which was comprised of a top layer of coal, stone, coal. The machine was set to ...

This article was originally published with the title “ Improved Coal-Cutting Machine ” in SA Supplements Vol. 5 No. 107supp (January 1878), p. 1702 doi:10.1038 ...

This article was originally published with the title “ Coal-Cutting Machine for Manual Power ” in SA Supplements Vol. 7 No. 163supp (February 1879), p. 2587 doi:10.1038 ...