 | British Association for the Advancement of Science - 1864 - 1112 pagina’s
...present rate of consumption, would be exhausted in 930 years, but, with a continued yearly increase of 2| millions of tons, would only last 212 years. It is...United States of America, which possess coal-fields 37 times more extensive than ours, will then be working more accessible beds at a smaller cost, and... | |
 | William George Baron Armstrong, Isaac Lowthian Bell, John Taylor, Thomas Richardson - 1864 - 480 pagina’s
...of consumption, would be exhausted iii 930 years, but with a continued yearly increase of 2,750,000 tons, would only last 212 years. It is clear that...United States of America, which possess coal-fields 37 times more extensive than ours, will then be working more accessible beds at a smaller cost, and... | |
 | 1864 - 470 pagina’s
...with a continued yearly increase of 2f millions of tons, would only last 212 years. It is clear th.it long before complete exhaustion takes place, England will have ceased to be a coal producing country on an extensive scale. Other nations, and especially the United States of America,... | |
 | 1867 - 378 pagina’s
...consumption, would be exhausted in 930 years, but, with a continued yearly increase of two and three-fourths millions of tons, would only last 212 years. It is clear that long before complete exhaustion takesplace, England will have ceased to be a coal-producing country on an: extensive scale. Other nations,... | |
 | Camille Flammarion - 1874 - 500 pagina’s
...of consumption , would be exhausted in 930 years, but with a continued yearly incrcase of 2,75,000 tons, would only last 212 years. It is clear that...exhaustion takes place, England will have ceased to be a coal producing country on an extensivo scale. üther nations and especially the United States of America,... | |
 | Picturesque science - 1880 - 302 pagina’s
...of consumption, would be exhausted in 930 years, but with a continued yearly increase of 2,750,000 tons, would only last 212 years. It is clear that...place, England will have ceased to be a coalproducing or a coal-requiring country on an extensive scale. Other means of producing heat will have been discovered.... | |
 | 1887 - 570 pagina’s
...years would suffice to exhaust the principal seams of coal in this country. " It is clear," he said, " that long before complete exhaustion takes place,...beds at a smaller cost, and will be able to displace English coal from every market. The question is, not how long our coal will endure before absolute... | |
 | 1864 - 494 pagina’s
...present rate of consumption, would be exhausted in 930 rears, but, with a continued yearly increase of 2J millions of tons, would only last 212 years. It is...exhaustion takes place, England will have ceased to be a coal producing country on an extensive scale. Other nations, and especially the United States of America,... | |
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England will have ceased to be a coalproducing country on an extensive scale. Other nations, and especially the United States of America, which possess coal-fields thirty-seven times more extensive than ours, will then be working more accessible beds... 