A Rudimentary Treatise on Coal and Coal-miningCrosby Lockwood & Company, 1880 - 261 стор. |
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accidents amount anthracite appears basin beds Belgium beneath bords bottom brattice cage carboniferous carboniferous limestone carried coal seams coal-measures coalfield collieries commonly cylinder dangerous depth Derbyshire districts drifts drum employed engine explosive extended fathoms feet of coal feet thick fire-damp flame Forest of Dean fossil fossil fuel fuel furnace gauze geological ground horizontal inches diameter inclined increase ironstone Lancashire length Lepidodendron less lift light lignite limestone long-wall lower measures method millstone grit mineral mines Newcastle North occupied opened passing person pillars pits portion pressure production pumps purpose quantity raised roads rocks rods roof rope safety lamp sandstone scale seams of coal shaft shales Shireoak side Sigillaria sometimes South Wales square miles Staffordshire steam stone strata stroke surface thin tion tons total thickness tubs upcast upper ventilation waggons wedging weight wheels whilst wire workable yards Yorkshire
Популярні уривки
Сторінка 220 - ... shaft and from every entrance for the time being in work, between the surface and the bottom of the shaft to the surface, and from the surface to the bottom of the shaft and to every entrance for the time being in work between the surface and the bottom of the shaft.
Сторінка 222 - ... and such report shall be recorded in a book to be kept at the mine for the purpose, and shall be signed by the person who made the same.
Сторінка 217 - An adequate amount of ventilation shall be constantly produced in every mine to dilute and render harmless noxious gases to such an extent that the working places of the shafts, levels, stables, and workings of the mine, and the travelling roads to and from those working places shall be in a fit state for working and passing therein.
Сторінка 221 - ... and also a proper indicator (in addition to any mark on the rope) which shows to the person who works the machine the position of the cage or load in the shaft. Every fly-wheel, and all exposed and dangerous parts of the machinery used in or about the mine, shall be, and be kept, securely fenced.
Сторінка 221 - Every steam boiler shall be provided with a proper steam gauge and water gauge, to show respectively the pressure of steam and the height of water in the boiler, and with a proper safety valve.
Сторінка 221 - There shall be on the drum of every machine used for lowering or raising persons such flanges or horns, and also, if the drum is conical, such other appliances as may be sufficient to prevent the rope from slipping.
Сторінка 222 - ... accompanied, if the owner, agent, or manager of the mine thinks fit, by himself or one or more officers of the mine, to go to every part of the mine, and to inspect the shafts, levels, planes, working places, return air-ways, ventilating apparatus, old workings, and machinery...
Сторінка 218 - Whenever safety lamps are required in any mine they shall be the property of the owner of said mine, and a competent person, who shall be appointed for the purpose, shall examine every safety lamp immediately before it is taken into the workings for use, and ascertain it to be clean, safe and securely locked, and safety lamps shall not be used until they have been so examined and...
Сторінка 220 - Act shall be appointed for the purpose of working the machinery which is employed in lowering and raising persons therein, and shall attend for the said purpose during the whole time that any person is below ground in the mine.
Сторінка 219 - It shall not be taken into or be in the possession of any person in any mine, except in cartridges, and shall not be used, except in accordance with the following regulations, during three months after any inflammable gas has been...