Nature, Volume 101Sir Norman Lockyer Macmillan Journals Limited, 1918 |
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Página 33
... coal , cannel - coal , and blackband ironstone , are possible sources . Large quantities of cannel are available , much of which is left in the mine or thrown on the dump as unsuitable for fuel , on account of its high ash content ...
... coal , cannel - coal , and blackband ironstone , are possible sources . Large quantities of cannel are available , much of which is left in the mine or thrown on the dump as unsuitable for fuel , on account of its high ash content ...
Página 346
... coal , iron - ore , and potash salts , the author of the article in question arrives at the startling conclu- sion that the value of these is close upon 240,000 millions sterling , out of which coal alone represents 89 per cent . A ...
... coal , iron - ore , and potash salts , the author of the article in question arrives at the startling conclu- sion that the value of these is close upon 240,000 millions sterling , out of which coal alone represents 89 per cent . A ...
Página 385
... coal , iron - ore , and potash amounts to at least 240,000,000,00ol . , taking the value of coal and of potash at 10s . per ton and that of iron - ore at 5s . per ton . Prof. Louis , on the other hand , tries to show that the value of ...
... coal , iron - ore , and potash amounts to at least 240,000,000,00ol . , taking the value of coal and of potash at 10s . per ton and that of iron - ore at 5s . per ton . Prof. Louis , on the other hand , tries to show that the value of ...
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Smith Sir Swire 49 The Ethnological Affinities of the Natives of H Bal | 8 |
Icerya purchasi in Ceylon | 29 |
Essence Industry Manual for the E Walter 62 Forestry in Corsica Algeria and Tunisia 182 | 39 |
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