The home tutor, a treasury of self-culture1862 |
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Page viii
... the Refractive Power with other Qualities - Total Reflec- tion - Rays on Plane Surfaces - The Prism - Action of the Prism on a Ray - The Multiplying Glass . • 122 128 132 CHAPTER XXXVIII . THE ACTION OF LENSES . - Different viii CONTENTS .
... the Refractive Power with other Qualities - Total Reflec- tion - Rays on Plane Surfaces - The Prism - Action of the Prism on a Ray - The Multiplying Glass . • 122 128 132 CHAPTER XXXVIII . THE ACTION OF LENSES . - Different viii CONTENTS .
Page 5
... glass , a . Fig . 3 , and immersing it , mouth downwards , in a glass of water , b . If the aperture , c , of the cupping- glass be left open , the air will rush out through it , and flow in below : but if it be closed by the finger ...
... glass , a . Fig . 3 , and immersing it , mouth downwards , in a glass of water , b . If the aperture , c , of the cupping- glass be left open , the air will rush out through it , and flow in below : but if it be closed by the finger ...
Page 6
... glass , it will be supported on its three feet , which are all in the same plane ; but if in turning the screw we depress its point , i , beneath the plane of its feet , it can no longer stand with stability on the glass , but totters ...
... glass , it will be supported on its three feet , which are all in the same plane ; but if in turning the screw we depress its point , i , beneath the plane of its feet , it can no longer stand with stability on the glass , but totters ...
Page 7
... glass in its top , and a constant stream of fresh air thrown into it from a tube , b , and forcing - pump above , the atmosphere in the inside being suffered to escape through a stop - cock as it becomes vitiated by the respiration of ...
... glass in its top , and a constant stream of fresh air thrown into it from a tube , b , and forcing - pump above , the atmosphere in the inside being suffered to escape through a stop - cock as it becomes vitiated by the respiration of ...
Page 8
... glass , with a diamond point , so close to each other , that ten thousand are contained in a single inch . The odours which are exhaled by strong - smelling perfumes , as musk , will for years together infect the air of a large room ...
... glass , with a diamond point , so close to each other , that ten thousand are contained in a single inch . The odours which are exhaled by strong - smelling perfumes , as musk , will for years together infect the air of a large room ...
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action angle animals annelid appearance astronomer atmospheric air axis ball beautiful becomes body called carbonic acid cause centre of gravity CHAPTER clay clouds coal Coal measures colour constellation convex lens coral creatures Crustacea deposited descend diameter direction distance earth effect elastic equal exist fact fall feet force fossil give glass gneiss heat heavens horizon igneous rocks inches inclined inclined plane latter length lens lever light limestone liquid lower mass mercury mirror moon motion move nature object observed Oolitic organic origin particles pass peculiar pendulum phenomena plane plants polypes portion position present pressure produced races rays reflected refraction resistance rise rocks round sand sandstone schist screw seen shells side Silurian solid sound space species specific gravity stars strata structure substances supposed surface temperature tion tube vapour vegetable velocity vibrations wave weight wind zoophytes
Popular passages
Page 300 - Since once I sat upon a promontory, And heard a mermaid, on a dolphin's back, Uttering such dulcet and harmonious breath. That the rude sea grew civil at her song ; And certain stars shot madly from their spheres, To hear the sea-maid's music.
Page 474 - Come on therefore, let us enjoy the good things that are present : and let us speedily use the creatures like as in youth. Let us fill ourselves with costly wine and ointments : and let no flower of the spring pass by us. Let us crown ourselves with rosebuds before they be withered.
Page 459 - He giveth snow like wool : He scattereth the hoarfrost like ashes. He casteth forth His ice like morsels : Who can stand before His cold? He sendeth out His word, and melteth them : He causeth His wind to blow, and the waters flow.
Page 425 - Now through the passing cloud she seems to stoop, Now up the pure cerulean rides sublime. Wide the pale deluge floats, and streaming mild O'er the sky'd mountain to the shadowy vale, While rocks and floods reflect the quivering gleam, The whole air whitens with a boundless tide Of silver radiance, trembling round the world.
Page 469 - Sits on the horizon round a settled gloom : Not such as wintry storms on mortals shed, Oppressing life ; but lovely, gentle, kind, And full of every hope, and every joy ; The wish of Nature.
Page 437 - What if the sun Be centre to the world, and other stars, By his attractive virtue and their own Incited, dance about him various rounds...
Page 474 - On the charmed eye, the exulting florist marks With secret pride the wonders of his hand. No gradual bloom is wanting — from the bud First-born of Spring to Summer's musky tribes; Nor hyacinths, of purest virgin white, Low bent a'nd blushing inward ; nor jonquils, Of potent fragrance; nor narcissus fair, As o'er the fabled fountain hanging still; Nor broad carnations, nor gay-spotted pinks; Nor, showered from every bush, the damask-rose: Infinite numbers, delicacies, smells.
Page 455 - All Nature feels the renovating force Of Winter, only to the thoughtless eye In ruin seen. The frost-concocted glebe Draws in abundant vegetable soul, And gathers vigour for the coming year.
Page 475 - Now the bright morning star, day's harbinger, Comes dancing from the east, and leads with her The flowery May, who from her green lap throws The yellow cowslip, and the pale primrose. Hail, bounteous May, that dost inspire Mirth, and youth, and warm desire ; Woods and groves are of thy dressing, Hill and dale doth boast thy blessing. Thus we salute thee with our early song, And welcome thee, and wish thee long.
Page 474 - Then comes the tulip race, where beauty plays Her idle freaks ; from family diffused To family, as flies the father-dust. The varied colours run ; and while they break On the charm'd eye, th' exulting florist marks, With secret pride, the wonders of his hand.