 | People's and Howitt's journal - 938 σελίδες
...the conclusion, that the ultimate loss of life is greater from this cause than even from explosions. These effects are the result of an inadequate supply...gases formed by blasting are also allowed to load f he air of mines to a very injurious extent. This state in the atmosphere of mines arises from the... | |
 | 1875 - 762 σελίδες
...sources from respiration, the lighta of the mine, the decomposition of small coal iu the goaves, aud of timber in the workings. Air in this state is also usually found to be loaded with carbureted hydrvgen, yielded from the whole coal, or in the goaves. Sulphureted hydrogen, arising from... | |
 | Albert Henry Buck - 1879 - 678 σελίδες
...respiration, the lights of the mine, the decomposition of small coal in the goaves (workedout spaces), and of timber in the workings. Air in this state is...arising from the decomposition of pyrites, is sometimes present, especially in coal-seams liable to spontaneous ignition. The gases formed by blasting are... | |
 | Hugo Ziemssen - 1879 - 724 σελίδες
...respiration, the lights of the mine, the decomposition of small coal in the goaves (workedout spaces), and of timber in the workings. Air in this state is...arising from the decomposition of pyrites, is sometimes present, especially in coal-seams liable to spontaneous ignition. The gases formed by blasting are... | |
 | American Institute of Mining Engineers - 1880 - 694 σελίδες
...respiration, the lights of the mine, the decomposition of small coal in the goaves (cavities of the roof), and of timber in the workings. Air in this state is...arising from the decomposition of pyrites, is sometimes present, especially in coalseams liable to spontaneous ignition. The gases formed by blasting are also... | |
 | 1883 - 340 σελίδες
...respiration, the lights of the mine, the decomposition of small coal in the goaves (cavities of the roof), and of timber in the workings. Air in this state is...Sulphuretted hydrogen arising from the decomposition of pyritees is sometimes present, especially in coat seams, and liable to spontaneous ignition. The gases... | |
 | Iowa. General Assembly - 1886 - 1088 σελίδες
...respiration, the lights of the mine, the decomposition of small coal in the goaves (cavities of the roof), and of timber in the •workings. Air in this state...Sulphuretted hydrogen arising from the decomposition of pyritees is sometimes present, especially in coat seams, and liable to spontaneous ignition. The gases... | |
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... which has become vitiated and unfit for breathing, on account of its having lost its due proportion of oxygen, which is replaced by the formation of carbonic acid. This gas has its sources in respiration, the lights of the mine, the decomposition... 