A Rudimentary Treatise on Coal and Coal Mining... |
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Page 78
... cages ; and the fahrkunst , or , as it has been termed , Warocquière ( from M. de Warocquè , who erected an excellent one on his own works at Mariemont ) , has been applied with great success at several of the larger collieries . The ...
... cages ; and the fahrkunst , or , as it has been termed , Warocquière ( from M. de Warocquè , who erected an excellent one on his own works at Mariemont ) , has been applied with great success at several of the larger collieries . The ...
Page 162
... cages or skips , exercise a counterbalancing effect upon one another . This arrangement is particularly suitable to the slow winding of our midland districts , where the weight drawn at once is considerable , and where from its hanging ...
... cages or skips , exercise a counterbalancing effect upon one another . This arrangement is particularly suitable to the slow winding of our midland districts , where the weight drawn at once is considerable , and where from its hanging ...
Page 166
... cage or at the ends of a rod passing through its upper bar . And when the weight I P 3 + 4 + 5 A 10011000 . Fig . 26. Single - deck iron cage , Newsham , for rolled iron guides . reaches the surface , duly signalled on its approach by a ...
... cage or at the ends of a rod passing through its upper bar . And when the weight I P 3 + 4 + 5 A 10011000 . Fig . 26. Single - deck iron cage , Newsham , for rolled iron guides . reaches the surface , duly signalled on its approach by a ...
Page 168
... cage of the Grand Hornu Colliery , near Mons , a cage weighing itself , with its protecting cover , about 2,692 lbs . English . The single - link chains , and the round hempen ropes of former days , survive only at rude and petty works ...
... cage of the Grand Hornu Colliery , near Mons , a cage weighing itself , with its protecting cover , about 2,692 lbs . English . The single - link chains , and the round hempen ropes of former days , survive only at rude and petty works ...
Page 169
... cage ascends or descends , giving the fullest lever- age to the engine at the time that the maximum weight is being lifted , i.e. , when the loaded cage starts from the bottom of the pit . But the greater wear and tear has given rise ...
... cage ascends or descends , giving the fullest lever- age to the engine at the time that the maximum weight is being lifted , i.e. , when the loaded cage starts from the bottom of the pit . But the greater wear and tear has given rise ...
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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