A Rudimentary Treatise on Coal and Coal Mining... |
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Page 6
... surface of which the steam should exert its power ; and the application was ere long made by Newcomen . Some years , however , before this , Dr. Papin , a French refugee , had proposed an engine , in which a piston working in a cylinder ...
... surface of which the steam should exert its power ; and the application was ere long made by Newcomen . Some years , however , before this , Dr. Papin , a French refugee , had proposed an engine , in which a piston working in a cylinder ...
Page 22
... of rocks with which they are interstratified . Whatever may be the form of the surface of the ground , it rarely happens that the coal - measures under it , whether deep or shallow , lie in a 22 COAL AND COAL - MINES . hanks for many ...
... of rocks with which they are interstratified . Whatever may be the form of the surface of the ground , it rarely happens that the coal - measures under it , whether deep or shallow , lie in a 22 COAL AND COAL - MINES . hanks for many ...
Page 23
... surface , un- less they are overlaid by some newer formation de- posited unconformably upon the ends of the upturned strata . Hence it is that a great insight into the cha- racter of a coal district may be obtained by a careful study of ...
... surface , un- less they are overlaid by some newer formation de- posited unconformably upon the ends of the upturned strata . Hence it is that a great insight into the cha- racter of a coal district may be obtained by a careful study of ...
Page 25
... surfaces , slicks , requiring caution in undercutting ; but are more generally films of black , soft , and fibrous coaly matter , apparently made up of small fragments of carbonised wood . Then comes the physical condition of the coal ...
... surfaces , slicks , requiring caution in undercutting ; but are more generally films of black , soft , and fibrous coaly matter , apparently made up of small fragments of carbonised wood . Then comes the physical condition of the coal ...
Page 27
... surface which may occasionally be noticed , lead me to think that the coal must have remained in a plastic condition long after it was covered up with sediment , and that it has been much squeezed and moulded by the various movements to ...
... surface which may occasionally be noticed , lead me to think that the coal must have remained in a plastic condition long after it was covered up with sediment , and that it has been much squeezed and moulded by the various movements to ...
Common terms and phrases
accidents amount anthracite applied Architect ARCHITECTURE Author beds Belgium bords bottom brattice Bridge C.E. Illustrated cage carboniferous carboniferous limestone cloth boards coal-measures coalfield collieries Construction containing cylinder depth Derbyshire districts drum Edition employed engine enlarged fathoms feet of coal feet thick field fire-damp Forest of Dean fossil fuel furnace gauze geological inches diameter inclined ironstone Lancashire length levels light lignite limestone long-wall lower LUDGATE HILL measures method miles millstone grit mineral mines mode modern Newcastle North Outfall Sewer passing pillars pits placed Plates Practical pumps quantity Railway raised RALPH TATE revised roads rocks rods roof rope Rudimentary Treatise safety lamps sandstone scale Science SCOTT BURN shaft shales side South Wales square miles steam stone strata surface Tables thin Timber tion tons tubs upper valuable ventilation volume waggons wedging wheels whilst wood Woodcuts workable yards
Popular passages
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