Nature, Količina 100Sir Norman Lockyer Macmillan Journals Limited, 1917 |
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Zadetki 1–3 od 88
Stran 95
... coal . Consequently , the water - power yet to be utilised represents 20,000 tons of coal per hour . or , say , 180,000,000 tons per annum . The author admits , of course , that certain industries cannot dispense with coal , but ...
... coal . Consequently , the water - power yet to be utilised represents 20,000 tons of coal per hour . or , say , 180,000,000 tons per annum . The author admits , of course , that certain industries cannot dispense with coal , but ...
Stran 136
... coal which is at present ' burned in boilers , furnaces , and domestic fires , by manufactured fuels prepared from raw coal by submit- ting it to distillation . The greater part of the coal which is consumed in Great Britain is burned ...
... coal which is at present ' burned in boilers , furnaces , and domestic fires , by manufactured fuels prepared from raw coal by submit- ting it to distillation . The greater part of the coal which is consumed in Great Britain is burned ...
Stran 409
... coals that are especially suited to it , such as cannel coal , being selected for the purpose . No doubt experiments are being tried in many other directions , but there are obvious reasons why the nature of these , or the results ...
... coals that are especially suited to it , such as cannel coal , being selected for the purpose . No doubt experiments are being tried in many other directions , but there are obvious reasons why the nature of these , or the results ...
Vsebina
of Hippocrates | 9 |
Smith Miss K A Doctorate Conferred upon by | 21 |
Rijckevorsel Dr E Van Konstant auftretende secundäre Sarasin E obituary article | 28 |
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