Nature, Volume 80Sir Norman Lockyer Macmillan Journals Limited, 1909 - Electronic journals |
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Page 77
... considerable technical importance . It was found that the yield both of barley and wheat is much increased by cultivation , and the most thorough cultivation tried gave the largest profit . The use of machinery tends to diminish the ...
... considerable technical importance . It was found that the yield both of barley and wheat is much increased by cultivation , and the most thorough cultivation tried gave the largest profit . The use of machinery tends to diminish the ...
Page 265
... considerable distances in the desired directions , while they travel only over a comparatively short distance in other directions , and that , with aėrials of moderate height , greater efficiency in a given direction can be obtained ...
... considerable distances in the desired directions , while they travel only over a comparatively short distance in other directions , and that , with aėrials of moderate height , greater efficiency in a given direction can be obtained ...
Page 293
... considerable attention at the con- ference was the nuisance due to the dust which prevails in dry weather along the roads frequented by self - propelled vehicles moving at great speed . Motor - cars not only raise and distribute dust in ...
... considerable attention at the con- ference was the nuisance due to the dust which prevails in dry weather along the roads frequented by self - propelled vehicles moving at great speed . Motor - cars not only raise and distribute dust in ...
Contents
KNOWLEDGE | 1 |
Crucibles Scrap Utensils Wire Foil Residues c | xvii |
and oil immersion obje tives all in brand new condition price 25 | xxvii |
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Agriculture apparatus application April Arthur Gamgee astronomical B.Sc Botany British carbon Catalogue cent chemical Chemistry College coloured contains course Crown 8vo D.Sc deal discussed edition electric elementary engine experimental experiments Franco-British Exhibition gases Geology give given heat hydrogen illustrated important inches insects Institution instruments interesting J. J. Thomson Karl Pearson laboratory large number larva lectures London magnetic Makers March Mathematics ment Messrs method microscope Museum National Physical Laboratory observations Observatory obtained Orthoptera oxygen paper photographs physical physiology plants plates Poldhu post free practical present pressure Price produced Prof Professor published radiation radio-active radium radium bromide recent reference regard schools scientific secondary species specimens steam Street structure technical temperature text-books theory thorium tion tube University University of London velocity Victoria Land volume Zoology