Mining Accidents and Their PreventionScientific publishing Company, 1889 - 421 páginas |
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Página 20
... amount , a mixture is formed which will ignite with a more or less violent explosion when flame or a white- hot body is approached , or immersed in it , the violence of explosion , or rapidity of transmission of flame , being 20 ...
... amount , a mixture is formed which will ignite with a more or less violent explosion when flame or a white- hot body is approached , or immersed in it , the violence of explosion , or rapidity of transmission of flame , being 20 ...
Página 22
... amount ( presenting appearances which differ with different kinds of lamps ) , until , when the atmosphere becomes actually explosive , the gas - mixture burns at the air - inlet of the lamp ; or if , as is the case with the Davy lamp ...
... amount ( presenting appearances which differ with different kinds of lamps ) , until , when the atmosphere becomes actually explosive , the gas - mixture burns at the air - inlet of the lamp ; or if , as is the case with the Davy lamp ...
Página 23
... amount of fire - damp which can be detected , by means of a safety - lamp burning the ordinary illuminant , agree very well with Galloway's earlier results . Other authorities on these subjects have also instituted experiments in this ...
... amount of fire - damp which can be detected , by means of a safety - lamp burning the ordinary illuminant , agree very well with Galloway's earlier results . Other authorities on these subjects have also instituted experiments in this ...
Página 25
... amount of fire - damp in the surrounding air , so that the percentage present may be inferred by comparing the observed maximum pressure with those pressures known to arise when given percent- ages of marsh - gas exist in the atmosphere ...
... amount of fire - damp in the surrounding air , so that the percentage present may be inferred by comparing the observed maximum pressure with those pressures known to arise when given percent- ages of marsh - gas exist in the atmosphere ...
Página 29
... amount of marsh - gas in the air , this would present a ready method of examining the atmosphere in a mine ; but although satisfactory results are said to have been obtained with pure , artificially - prepared marsh - gas by this method ...
... amount of marsh - gas in the air , this would present a ready method of examining the atmosphere in a mine ; but although satisfactory results are said to have been obtained with pure , artificially - prepared marsh - gas by this method ...
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Términos y frases comunes
Abercarn aforesaid agent or manager agent or operator air-ways apparatus apply appointed approved Author barometer blasting blown-out shot brattice cage carbonic acid cause certificate charge Clanny coal mines coal-dust coal-mines colliery Commission competent comply connection court damp mines danger Davy lamp deemed dust duties electric escapement shaft examination experiments feet fire fire-damp flame furnished gases goaves guilty hereby hoisting hole hundred dollars inflammable injury inquest inspec inspection inspector of mines less lessee light lime-cartridge machinery malfeasance in office map or plan marsh-gas means miners mining engineer Mueseler Mueseler lamp necessary nitro-glycerine notice occurred offence operator or superintendent owner or agent person or persons persons employed practical pressure purpose rape oil roof safe safety safety-lamps seam Secretary secure shaft or slope SIR FREDERICK ABEL special rules strata sufficient thereof timber tion ventilation weighing workmen
Pasajes populares
Página 349 - Provided, That nothing in this section shall be so construed as to prevent the employment of a seamstress by any family for manufacturing articles for such family use. None of...
Página 250 - Illinois, before any justice of the peace of such county, and such fine, when collected, shall be paid into the county treasury for the use of the county in which any such accident may have occurred.
Página 333 - For any injury to person or property, occasioned by any willful violations of this act or willful failure to comply with any of its provisions, a right of action shall accrue to the party injured for any direct damages sustained thereby...
Página 314 - ... sureties, conditioned personally to try such appeal, and to abide the judgment of the Court thereon, and to pay such costs as may be awarded by the Court, or...
Página 355 - By the statute in question it is provided that "no employee shall be required, or permitted, to work in a biscuit, bread, or cake bakery, or confectionery establishment, more than sixty hours in any one week, or more than ten hours in any one day...
Página 357 - Act, unless he proves that he had taken all reasonable means, by publishing and to the best of his power enforcing the said rules as regulations for the working of the mine, to prevent such contravention or non-compliance.
Página 332 - The inspectors provided for by this act shall devote their whole time and attention to the duties of their office, and...
Página 274 - ... two separate outlets, separated by natural strata of not less than one hundred feet in breadth, by which shafts or outlets distinct means of ingress and egress are always available to the persons employed in the mine, but...
Página 337 - 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.
Página 244 - State, and the works and machinery belonging thereto at all reasonable times, by night or day, but so as not to unnecessarily obstruct or impede the working of the mine, and the owner or agent of such mine is hereby required to furnish the means necessary for such entry and inspection; of which inspection the inspector shall make a record...