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action amount amygdules appear atmosphere atomic body bogs boiler Breccia carbon cause Cave-earth Cavern cent centre of gravity coal colour copper corundum density deposits described diameter distance earth ecliptic effect electricity energy engines evidence exhibit existence experiments fact feet force fuel funnel furnace Geological Glacial period greater heat inches iron Jupiter Kent's Cavern lake leading constituents light London lunar lunar atmosphere mass matter metacentric height metal miles mineral Miocene moon motion number of elements observed obtained ordinary passed peat phenomena phrenology planets pole pole star Portage Lake portion present pressure probably produced Prof quantity quartz remarkable rock Saturn ship side species specific gravity stalagmite star steam storm surface symmetric determinant temperature theory tons tornado trees Tschermakite tube velocity vibrations waves weight whilst wind yards
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Seite 284 - EVENINGS AT THE MICROSCOPE ; or, Researches among the Minuter Organs and Forms of Animal Life.
Seite 101 - ... without a parallel elsewhere: and this willingness requires but wise direction to enable you effectually to wipe away the reproach of De Tocqueville. Your most difficult problem will be not to build institutions but to discover men. You may erect laboratories and endow them; you may furnish them with all the appliances needed for...
Seite 235 - ... •If we could view the universe as a candle not lit, then it is perhaps conceivable to regard it as having been always in existence ; but if we regard it rather as a candle that has been lit, we become absolutely certain that it cannot have been burning from eternity, and that a time will com* when it will cease to burn.
Seite 86 - Wynne — their most minute accounts of what took place. To reject the recorded evidence on this subject is to reject all human testimony whatever ; for no fact in sacred or profane history is supported by a stronger array of proofs
Seite 275 - ... that the rising of the pith was only due to currents of air, and that at this near approach to a vacuum the residual air was too highly rarefied to have power in its rising to overcome the inertia of the straw beam and the pith balls. A more delicate instrument would doubtless show traces of movement at a still nearer approach to a vacuum ; but it seemed evident that when the last trace of air had been removed from the tube surrounding the balance — when the balance was suspended in empty space...