Class-book of Science and Literature1869 - 324 |
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Strona 22
... light travels . The velocity of light is so great that for any distance within the limits to which sound could be heard , its passage may be considered as instantaneous . This being the case , the blow , shot , explosion , & c . causing ...
... light travels . The velocity of light is so great that for any distance within the limits to which sound could be heard , its passage may be considered as instantaneous . This being the case , the blow , shot , explosion , & c . causing ...
Strona 25
... Light and Heat consist of a vibratory motion of the particles of light - giving and hot bodies , and that they are transmitted in a manner exactly similar to the transmission of sound . The medium , however , cannot be the air , since light ...
... Light and Heat consist of a vibratory motion of the particles of light - giving and hot bodies , and that they are transmitted in a manner exactly similar to the transmission of sound . The medium , however , cannot be the air , since light ...
Strona 26
... light passes is called a medium . When light passes from one medium into another , it is refracted or bent out of its straight course . D Fig . 27 . This is seen by a very simple If experiment . Let a coin be placed in the bottom of a ...
... light passes is called a medium . When light passes from one medium into another , it is refracted or bent out of its straight course . D Fig . 27 . This is seen by a very simple If experiment . Let a coin be placed in the bottom of a ...
Strona 27
... light from every part of the stick under water is refracted , so that it seems to be raised up , as was the case with the coin . So , too , objects at the bottom of a clear stream or pond appear to be raised up , and the water seems ...
... light from every part of the stick under water is refracted , so that it seems to be raised up , as was the case with the coin . So , too , objects at the bottom of a clear stream or pond appear to be raised up , and the water seems ...
Strona 28
... light transmitted through them are always refracted to- wards the thick part , be- cause most lenses are simply double prisms . Thus , take the double - convex and the double - concave lenses 1 and 4 in the figure : the first is as if ...
... light transmitted through them are always refracted to- wards the thick part , be- cause most lenses are simply double prisms . Thus , take the double - convex and the double - concave lenses 1 and 4 in the figure : the first is as if ...
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1st Cit acrogenous animals appear arms beautiful belong birds blood body bones branches breath buds called Carnivora carpels cells Cetacea composed consists corals cotyledons creatures Crustaceans Deloraine deposited earth electricity eyes feet fibres fishes Florac flowers fluid force fruit glass greater Greek hand head heart heat heaven Henry of Navarre herbaceous insects Ivanhoe kind larvæ Latin layer leaves lever light limestone liquid live look Lycidas mass membrane motion mouth muscles Myriapoda nature nerves o'er Oolitic organs oviparous Pages palms papillæ particles pass pistils plants pressure prey Price produced Protozoa quadrupeds rays retina rise rocks roots round sandstone seeds seen shells shew side soft sometimes sound species spring stamens stem stomata stone strata substance surface sweet thee thick thou trees vegetable Vertebrata vertebrate vessel vibrations weight whole wings wood Wood-cuts
Popularne fragmenty
Strona 244 - And fill all fruit with ripeness to the core ; To swell the gourd, and plump the hazel shells With a sweet kernel; to set budding more And still more, later flowers for the bees, Until they think warm days will never cease.
Strona 192 - I come to pluck your berries harsh and crude, And with forced fingers rude Shatter your leaves before the mellowing year. Bitter constraint, and sad occasion dear Compels me to disturb your season due; For Lycidas is dead, dead ere his prime, Young Lycidas, and hath not left his peer.
Strona 196 - And wipe the tears for ever from his eyes. Now, Lycidas, the shepherds weep no more; Henceforth thou art the genius of the shore, In thy large recompense, and shalt be good To all that wander in that perilous flood.
Strona 212 - Near yonder copse, where once the garden smiled, And still where many a garden flower grows wild ; There, where a few torn shrubs the place disclose, The village preacher's modest mansion rose. A man he was to all the country dear, And passing rich with forty pounds a year; Remote from towns he ran his godly race, Nor e'er had changed, nor wished to change, his place.
Strona 226 - Thou too, hoar Mount! with thy sky-pointing peaks, Oft from whose feet the avalanche, unheard, Shoots downward, glittering through the pure serene Into the depth of clouds, that veil thy breast — Thou too again, stupendous Mountain ! thou That as I raise my head, awhile bowed low In adoration, upward from thy base Slow travelling with dim eyes suffused with tears...
Strona 247 - A thousand spurs are striking deep, a thousand spears in rest, A thousand knights are pressing close behind the snow-white crest ; And in they burst, and on they rushed, while like a guiding star, Amidst the thickest carnage blazed the helmet of Navarre.
Strona 230 - Tis morn, but scarce yon level sun Can pierce the war-clouds, rolling dun, Where furious Frank and fiery Hun Shout in their sulphurous canopy. The combat deepens. On, ye brave, Who rush to glory, or the grave ! Wave, Munich ! all thy banners wave, And charge with all thy chivalry. Few, few shall part where many meet ! The snow shall be their winding-sheet ; And every turf beneath their feet Shall be a soldier's sepulchre.
Strona 190 - TO DAFFODILS FAIR Daffodils, we weep to see You haste away so soon : As yet the early-rising Sun Has not attained his noon. Stay, stay, Until the hasting day Has run But to the even-song ; And, having prayed together, we Will go with you along. We have short time to stay, as you, We have as short a Spring ; As quick a growth to meet decay As you, or any thing. We die, As your hours do, and dry Away, Like to the Summer's rain, Or as the pearls of morning's dew, Ne'er to be found again.
Strona 210 - The unfeeling for his own. Yet, ah! why should they know their fate, Since sorrow never comes too late, And happiness too swiftly flies? Thought would destroy their paradise. No more; where ignorance is bliss, 'Tis folly to be wise.
Strona 210 - That every labouring sinew strains, Those in the deeper vitals rage ; Lo ! Poverty, to fill the band, That numbs the soul with icy hand, And slow-consuming Age.