The Popular Educator, Τόμος 6John Cassell, 1855 |
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Σελίδα 409
... becomes insensible to the rays of the dispersion is not perceptible . As to spherical aberration , that colour , and is only capable of impressions of the com- we have already seen how that is corrected by the iris , plementary colour ...
... becomes insensible to the rays of the dispersion is not perceptible . As to spherical aberration , that colour , and is only capable of impressions of the com- we have already seen how that is corrected by the iris , plementary colour ...
Σελίδα 410
... become luminous . As bodies become luminous at a high temperature , caloric seems to be then transformed to light , which would favour the idea , that these two agents ought to be referred to one rays are generally accompanied by ...
... become luminous . As bodies become luminous at a high temperature , caloric seems to be then transformed to light , which would favour the idea , that these two agents ought to be referred to one rays are generally accompanied by ...
Σελίδα 411
... become forked , and crystals with two axes are those which present two . The crystals with one axis , of which most frequent use is made in optical instruments , are Iceland spar , quartz , and turmalin . Iceland spar has the form of a ...
... become forked , and crystals with two axes are those which present two . The crystals with one axis , of which most frequent use is made in optical instruments , are Iceland spar , quartz , and turmalin . Iceland spar has the form of a ...
Σελίδα 416
... become incapable of enjoying the world . As to those acts of cruelty which the Pagans perform in their religious services ( the wife committing herself to the flames with the body of her deceased husband , children voluntarily thrown ...
... become incapable of enjoying the world . As to those acts of cruelty which the Pagans perform in their religious services ( the wife committing herself to the flames with the body of her deceased husband , children voluntarily thrown ...
Σελίδα 417
... becomes equal to the denominator , the expression may be rendered more simple by rejecting the index . n Instead of an , we may write a . indices . 1. Required the cube root of a . Ans . a2 . 2. Required the cube root of a or a1 . Ans ...
... becomes equal to the denominator , the expression may be rendered more simple by rejecting the index . n Instead of an , we may write a . indices . 1. Required the cube root of a . Ans . a2 . 2. Required the cube root of a or a1 . Ans ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
action adjective adverbs angle battery called CASSELL'S LESSONS cent coal Compound Tenses Conjugation contar copper cylinder dative decimal denote DICTIONARY diphthong divided E. A. ANDREWS electricity electrised English word equal equation expressed fluid French galvanometer genitive Gerund given glass Greek hallado IMPERATIVE MOOD Imperfect Indeterminate Preterite INDICATIVE MOOD INFINITIVE MOOD Latin letters Leyden jar libros magnetic magnetised means metallic mind moral muger Multiply nature neat cloth needle negative noun object Old Red Sandstone paper covers Past Gerund Past Participle person pile plate plural polarisation pole positive preposition Present Gerund Preterite Prob produced pronoun Pronunciation proportion quantity ratio Reduce rendered root Sandstone Simple Tenses sine sound Spanish square SUBJUNCTIVE MOOD syllable teacher tentar term thing thou tion triangle verb vowel wire zinc δε εν επι εστι εστιν και οἱ ου
Δημοφιλή αποσπάσματα
Σελίδα 684 - No more the woodman's ballad shall prevail ; No more the smith his dusky brow shall clear, Relax his ponderous strength, and lean to hear...
Σελίδα 700 - Toll for the brave ! Brave Kempenfelt is gone ; His last sea-fight is fought ; His work of glory done. It was not in the battle ; No tempest gave the shock ; She sprang no fatal leak ; She ran upon no rock.
Σελίδα 684 - Yes ! let the rich deride, the proud disdain These simple blessings of the lowly train ; To me more dear, congenial to my heart, One native charm, than all the gloss of art...
Σελίδα 405 - This is that which I think great readers are apt to be mistaken in. Those who have read of everything are thought to understand everything too; but it is not always so. Reading furnishes the mind only with materials of knowledge; it is thinking makes what we read ours.
Σελίδα 684 - Where once the sign-post caught the passing eye, Low lies that house where nut-brown draughts inspired, Where grey-beard mirth and smiling toil retired, Where village statesmen talk'd with looks profound, And news much older than their ale went round. Imagination fondly stoops to trace The parlour splendours of that festive place...
Σελίδα 684 - Ye friends to truth, ye statesmen who survey The rich man's joys increase, the poor's decay, 'Tis yours to judge, how wide the limits stand Between a splendid and a happy land.
Σελίδα 699 - Shoots into port at some well-havened isle, Where spices breathe, and brighter seasons smile, There sits quiescent on the floods, that show Her beauteous form reflected clear below, While airs impregnated with incense play Around her, fanning light her streamers gay; — So thou, with sails how swift! hast reached the shore " Where tempests never beat nor billows roar," And thy loved consort on the dangerous tide Of life long since has anchored by thy side.
Σελίδα 670 - The style of an author should be the image of his mind, but the choice and command of language is the fruit of exercise. Many experiments were made before I could hit the middle tone between a dull chronicle and a rhetorical declamation : three times did I compose the first chapter, and twice the second and third, before I was EDWAHD GIBBON tolerably satisfied with their effect.
Σελίδα 700 - Slaves cannot breathe in England ; if their lungs Receive our air, that moment they are free, They touch our country, and their shackles fall.
Σελίδα 700 - No powder'd pert proficient in the art Of sounding an alarm, assaults these doors Till the street rings. No stationary steeds Cough their own knell, while, heedless of the sound, The silent circle fan themselves and quake. But here the needle plies its busy task, The pattern grows, the well-depicted...