The Coal Mines: Containing a Description of the Various Systems of Working and Ventilating Mines, Together with a Sketch of the Principal Coal Regions of the Globe, Including Statistics of the Coal ProductionRobison, Savage & Company, 1876 - 367 σελίδες |
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Άλλες εκδόσεις - Προβολή όλων
The Coal Mines: Containing a Description of the Various Systems of Working ... Tbd Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2020 |
The Coal Mines: Containing a Description of the Various Systems of Working ... Andrew Roy Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
aggregate Alleghany coal field anthracite coal basin beds of coal bench bituminous blast bottom Brier Hill Britain burning carbonic carbonic acid carboniferous cent Coal Company coal measures coal mines coal region coal seams coal strata colliery contains crush cubic feet death depth different seams district eight engine England entries extends feet in thickness fire five forty four furnace galleries George's Creek Hill hundred feet inches increase inspector of mines iron lignite long wall long-wall lower Mahoning valley manager miners Ohio Ohio River opened operations outcrop owner Pennsylvania Permian persons employed pillar and room Pittsburgh pump Railroad reached rescue River rocks roof safety lamp seams of coal shaft shaft mining sinking slope square miles steam strata surface temperature thousand feet thousand square miles tion tons twelve twenty underground upcast VEIN ventilation Western coal field whole workable workmen Zollverein
Δημοφιλή αποσπάσματα
Σελίδα 322 - ... be provided with guides and some proper means of communicating distinct and definite signals from the bottom of the shaft and from every entrance for the time being in work between the surface and the bottom of the shaft...
Σελίδα 327 - ... be punished by a fine not exceeding fifty dollars or imprisonment in the county jail not exceeding thirty days, or both such fine and imprisonment in the discretion of the court...
Σελίδα 320 - ... noxious gases prevailing in such mine or such part thereof, or, of any cause whatever, the mine or the said part is dangerous, every workman shall be withdrawn...
Σελίδα 319 - 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.
Σελίδα 326 - ... charge of the agent of such mine, and in all mines the doors used in assisting or directing the ventilation of the mine shall be so hung and adjusted that they will close themselves or be supplied with springs or pulleys so that they...
Σελίδα 320 - ... and a workman shall not, except in so far as is necessary for inquiring into the cause of danger or for the removal thereof, or for exploration...
Σελίδα 321 - 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 found in any such mine; namely...
Σελίδα 321 - ... unless he finds it safe to do so, and a shot shall not be fired except by or under the direction of a competent person who shall be appointed for the purpose...
Σελίδα 325 - The owner or agent of every coal mine shall make or cause to be made an accurate map or plan of the workings of such coal mine, on a scale of one hundred feet to the inch.
Σελίδα 320 - In every working approaching any place where there is likely to be an accumulation of explosive gas, no lamp or light other than a locked safety lamp shall be allowed or used...