The Glaciers of the Alps: Being a Narrative of Excursions and Ascents, an Account of the Origin and Phenomena of Glaciers and an Exposition of the Physical Principles to which They are RelatedLongmans, Green and Company, 1896 - 445 pages |
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Autres éditions - Tout afficher
The Glaciers of the Alps: Being a Narrative of Excursions and Ascents, an ... John Tyndall Affichage du livre entier - 1906 |
The Glaciers of the Alps: Being a Narrative of Excursions and Ascents, an ... John Tyndall Affichage du livre entier - 1860 |
The Glaciers of the Alps: Being a Narrative of Excursions and Ascents, an ... John Tyndall Affichage du livre entier - 1861 |
Expressions et termes fréquents
afterwards Agassiz Aiguille Aiguille du Dru Aiguille Verte Aletsch glacier Alps appeared ascended atmosphere avalanches Balmat bâton beams beauty blue cascade cause centre Chamouni chasms cleavage clouds Col du Géant colour commenced crevasses crossed crystal débris descended direction dirt-bands distance edge experiment fact fall feet Finsteraarhorn fissures formed Glace Glacier du Géant Grande Jorasse Grindelwald inches latter layer Léchaud length light liquid lower Lyskamm mass measurements melting Mer de Glace Mont Blanc Montanvert Monte Rosa moraines motion mountain névé oblique observed particles pass portion precipice pressure produced Professor Forbes radiant heat rays reached referred regarding Rendu Rhone glacier ridge rock round séracs Simond slope snow snow-line sound stake steep stood structure summit supposed surface Tacul Talèfre temperature theodolite theory thick tion transverse Trélaporte tributaries undulations valley veins velocity viscous waves yards
Fréquemment cités
Page 313 - A glacier is an imperfect fluid, or viscous body, which is urged down slopes of a certain inclination by the mutual pressure of its parts...
Page 234 - For Nature beats in perfect tune, And rounds with rhyme her every rune, Whether she work in land or sea, Or hide underground her alchemy. Thou canst not wave thy staff in air, Or dip thy paddle in the lake, But it carves the bow of beauty there, And the ripples in rhymes the oar forsake.
Page 366 - Accordingly, whilst revolving in my mind during this evening's stroll the singular problems of the ice-world, my eye was caught by a very peculiar appearance of the surface of the ice, which I was certain that I now saw for the first time. It consisted of a series of nearly hyperbolic brownish bands on the glacier, the curves pointing downwards, and the two branches mingling indiscriminately with the moraines, presenting an appearance of a succession of waves some hundred feet apart...
Page 333 - This index of refraction is still more materially affected when a body passes from the solid to the liquid, or from the liquid to the gaseous condition...
Page iii - THE GLACIERS OF THE ALPS : being a Narrative of Excursions and Ascents. An Account of the Origin and Phenomena of Glaciers, and an Exposition of the Physical Principles to which they are related.
Page 434 - Sorby, and others, have furnished us with a body of evidence which reveals to us certain important physical phenomena, associated with the appearance of slaty cleavage, if they have not produced it : the nature of this evidence we will now proceed to consider. Fossil shells are found in these slate-rocks. I have here several specimens of such shells, occupying various positions with regard to the cleavage planes. They are squeezed, distorted, and crushed. In some cases a flattening of the convex...
Page 442 - Ere the lion roared, Or the eagle soared." From evidence of the most independent and trustworthy character, we come to the conclusion that these slaty masses have been subjected to enormous pressure, and by the sure method of experiment we have shown — and this is the only really new point which...