A Rudimentary Treatise on Coal and Coal Mining... |
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Page 14
... thickness . This yearly production , obtained by the labour of about 240,000 men , is palpably a gigantic effort for so small an area as that of our united coalfields , and naturally excites apprehension for the future . The statistics ...
... thickness . This yearly production , obtained by the labour of about 240,000 men , is palpably a gigantic effort for so small an area as that of our united coalfields , and naturally excites apprehension for the future . The statistics ...
Page 17
... thickness was 55 inches . The divisions were as follows : Roof coal Batt ( black shale ) Brassy piece ( pyritous ) Rough bright Best bright . Top hard Inches . 2 2 useless , thrown away . 5 4 for house fires . 4 good for making soft ...
... thickness was 55 inches . The divisions were as follows : Roof coal Batt ( black shale ) Brassy piece ( pyritous ) Rough bright Best bright . Top hard Inches . 2 2 useless , thrown away . 5 4 for house fires . 4 good for making soft ...
Page 21
... thickness . Austrian Alps , in the Gosau beds . Coal , up to 4 ft . thick , Lettowitz , & c . , in Moravia . Santa Fé de Bogota , South America . Good brown Coal beds in North Ger- many , Utrillas , & c . N.E. Spain ? Purbeck dirt - bed ...
... thickness . Austrian Alps , in the Gosau beds . Coal , up to 4 ft . thick , Lettowitz , & c . , in Moravia . Santa Fé de Bogota , South America . Good brown Coal beds in North Ger- many , Utrillas , & c . N.E. Spain ? Purbeck dirt - bed ...
Page 22
... thickness of the coal- measures in Shropshire and South Staffordshire is only from 1,000 to 1,600 feet in thickness , in North Staf- fordshire it reaches 5,000 feet , in South Wales 14,000 or 15,000 feet , and in Saarbrücken , in ...
... thickness of the coal- measures in Shropshire and South Staffordshire is only from 1,000 to 1,600 feet in thickness , in North Staf- fordshire it reaches 5,000 feet , in South Wales 14,000 or 15,000 feet , and in Saarbrücken , in ...
Page 24
... thickness , -an amount varying generally from 18 inches to 8 feet . In Somersetshire they contrive to work seams ... thicknesses of exceptional seams , put together by the superposition of several of ordinary dimensions . A very thick ...
... thickness , -an amount varying generally from 18 inches to 8 feet . In Somersetshire they contrive to work seams ... thicknesses of exceptional seams , put together by the superposition of several of ordinary dimensions . A very thick ...
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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