Nature, Količina 100Sir Norman Lockyer Macmillan Journals Limited, 1917 |
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Zadetki 1–3 od 92
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 372
... coal - seams as applied to the eastern coalfields of Canada , written by Mr. J. F. Kellock Brown . The author discusses the technical aspects of the question , but lays most stress upon its economics . He points out that the present coal ...
... coal - seams as applied to the eastern coalfields of Canada , written by Mr. J. F. Kellock Brown . The author discusses the technical aspects of the question , but lays most stress upon its economics . He points out that the present coal ...
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Wolfs Comet 332 Radial Velocities of Star Clusters Takamine T and S Nitta Measurements in the Ultra | 32 |
Smith B The Chellaston Gypsumbreccia etc 379 Imaginary Quantities | 52 |
Smith Miss E Etched Crystals of Gypsum 218 Tanner Dr J R The Historical Register of the Uni | 173 |
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acid æther Agriculture ammonia appears applied appointed Association Board British cent chemical chemistry coal College colour Committee considerable Council deal Department described direction discussion disease edition effect electric engineering experimental experiments France Geological German given gives Government H. A. L. Fisher illustrated important increase industry Institute interest investigations iron J. J. Thomson Journal laboratory larvæ lectures London magnetic manufacture mathematical means ment method Ministry of Munitions Museum National Physical Laboratory NATURE November observations Observatory obtained October optical organisation paper physical plants practical present problems production Prof Proper Motion published pyrometers recent regard Royal Society scientific Scotland solution South South Africa species stars supply survey technical temperature theory tion University utilisation various W. E. Castle W. H. Young