The Popular Science Review: A Quarterly Miscellany of Entertaining and Instructive Articles on Scientific Subjects, Volume 13James Samuelson, Henry Lawson, William Sweetland Dallas Robert Hardwicke, 1874 |
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Página 7
... less accumulated by the river itself . When , however , we consider the extent of the old Thames Valley , as indicated by these gravels , and the comparatively small changes that now take place , we cannot but imagine that the denuding ...
... less accumulated by the river itself . When , however , we consider the extent of the old Thames Valley , as indicated by these gravels , and the comparatively small changes that now take place , we cannot but imagine that the denuding ...
Página 10
... less than twenty times as thick as the beds we have noticed , we are as much lost in awe in picturing each successive change during their deposi- tion , as we are at the immensity of time that must have elapsed since the earliest ...
... less than twenty times as thick as the beds we have noticed , we are as much lost in awe in picturing each successive change during their deposi- tion , as we are at the immensity of time that must have elapsed since the earliest ...
Página 23
... less than man , or of a future when man shall have become something more than man . We tell our children pretty fables about the man who wished for eyes with the powers of the finest microscope , and the man who wished to be able to ...
... less than man , or of a future when man shall have become something more than man . We tell our children pretty fables about the man who wished for eyes with the powers of the finest microscope , and the man who wished to be able to ...
Página 44
... less refracted part of the spectrum . Pursuing the subject , he was led to a certain method for preparing plates , on which could be received coloured impressions , and which , divested of many reasons which M. Becquerel communicated to ...
... less refracted part of the spectrum . Pursuing the subject , he was led to a certain method for preparing plates , on which could be received coloured impressions , and which , divested of many reasons which M. Becquerel communicated to ...
Página 46
... less mechanical . A few years ago , Mr. Robert Howe Ashton obtained a patent for a method of applying colour to photographs produced by the Woodbury process - a method which , although it has not yet been com- mercially developed to the ...
... less mechanical . A few years ago , Mr. Robert Howe Ashton obtained a patent for a method of applying colour to photographs produced by the Woodbury process - a method which , although it has not yet been com- mercially developed to the ...
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Palavras e frases frequentes
acid algæ American black bear animal antheridia appears arteries astronomers atmosphere bear birds blood body calycles carbonic carbonic acid cells Chemical chlorophyll colour comets considerable course described disease distance distinct experiments fact favour fish fossil fungi fungus genus Geological give gonidia grizzly bear Halley's method hypha hyphæ Hypsilophodon illustrations important inch instance instrument interest length less lichens London London clay matter means method microscope miles minute Miocene mycelium names nature Nostoc observations obtained ordinary organs origin paper peculiar photographic pinnæ plants plate Plumularian polypites portion potatoes present probably produced Professor quantity race reader regard remarkable Saxon says Schwendener seen Society solar sound species specimens sphygmograph spores stations structure substance surface syren systole telegraph temperature thallus theory tion tissue transit tube various velocity vessels words relating XIII.-NO zoospores
Passagens conhecidas
Página 218 - As who should say, I am Sir Oracle, And when I ope my mouth let no dog bark.
Página 21 - The world abounds with contrivances ; and all the contrivances which we are acquainted with, are directed to beneficial purposes. Evil, no doubt, exists ; but is never, that we can perceive, the object of contrivance. Teeth are contrived to eat, not to ache ; their aching now and then is incidental to the contrivance, perhaps inseparable from it : or even, if you will, let it be called a defect in the contrivance ; but it is not the object of it.
Página 21 - No anatomist ever discovered a system of organization calculated to produce pain and disease ; or, in explaining the parts of the human body, ever said, this is to irritate; this to inflame...
Página 11 - Astronomy and General Physics, considered with reference to Natural Theology. By the Rev. WILLIAM WHEWELL, MA, FRS, Fellow of Trinity College, Cambridge. IV. The Hand ; its Mechanism and vital Endowments as evincing • design.
Página 67 - Physics and Politics ; or, Thoughts on the Application of the Principles of "Natural Selection " and " Inheritance
Página 260 - Ascomycetes, a parasite which is accustomed to live upon, others' work ; its slaves are green algae, which it has sought out, or indeed caught hold of, and compelled into its service. It surrounds them, as a spider its prey, with a fibrous net of narrow meshes, which is gradually converted into an impenetrable covering ; but...
Página 170 - No connection can be traced between the numbers of bacteria, spores &c , present in the air, and the occurrence of diarrhoea, dysentery, cholera, ague, or dengue ; nor between the presence or abundance of any special form or forms of cells, and the prevalence of any of these diseases.
Página 336 - They came up from the water like the gentle thrills of a musical chord, or the faint vibrations of a wine-glass when its rim is rubbed by a wet finger. It was not one sustained note, but a multitude of tiny sounds, each clear and distinct in itself ; the sweetest treble mingling with the lowest bass.
Página 72 - Our Place among Infinities: A Series of Essays contrasting our Little Abode in Space and Time with the Infinities Around us. Crown 8vo, cloth extra, 6s. The Expanse of Heaven : A Series of Essays on the Wonders of the Firmament.
Página 175 - ... of the distance. At 2 PM neither guns nor trumpets were able to pierce the transparent air to a depth of 3, hardly to a depth of 2 miles. This extraordinary opacity was proved conclusively to arise from the irregular admixture with the air of the aqueous vapour raised by a powerful sun.