Nature, Količina 80

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