 ... allow of the passage of the flame. This the authors say was the most considerable explosion of fire-damp and air that they are acquainted with. They have personally investigated during the last twelve years almost all the explosions occurring in the...  Explosions in Coal Mines - Página 67por W. N. Atkinson, J. B. Atkinson - 1886 - 144 páginasVista completa - Acerca de este libro
 | W. N. Atkinson, J. B. Atkinson - 1886 - 214 páginas
...years, almost all the explosions occurring in the North of England, and they cannot point to a case where there was direct evidence of so large a quantity...set was not moved. It was thicker masonry than is common — about 1 foot 6 inches thick. Stoppings -2 feet thick at (-i), (5), and (6) were blown down... | |
 | Sir Norman Lockyer - 1887 - 672 páginas
...years almost all the explosions occurring in the North of England, and they cannot point to a case where there was direct evidence of so large a quantity of fire-damp and air exploding. The moral of all this is obvious. It can scarcely be gainsaid that some of the most disastrous explosions... | |
 | Sir Norman Lockyer - 1887 - 974 páginas
...years almost all the explosions occurring in the North of England, and they cannot point to a case where there was direct evidence of so large a quantity of fire-damp and air exploding. The moral of all this is obvious. It can scarcely be gainsaid that some of the most disastrous explosions... | |
 | Sir Norman Lockyer - 1887 - 670 páginas
...years almost all the explosions occurring in the North of England, and they cannot point to a case where there was direct evidence of so large a quantity of fire-damp and air exploding. The moral of all this is obvious. It can scarcely be gainsaid that so.nc of the most disastrous explosions... | |
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