Optics Without MathematicsSociety for promoting Christian knowledge, 1883 - 124 páginas |
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Página 6
... less , as we shall see hereafter ; but generally speaking an inch would hold 50,000 of them . But we must take care to think of them not as anything like long strips , or waves of water , but as mere points , as broad as long , and ...
... less , as we shall see hereafter ; but generally speaking an inch would hold 50,000 of them . But we must take care to think of them not as anything like long strips , or waves of water , but as mere points , as broad as long , and ...
Página 7
... less In Him are not . . . " These most minute , most rapid , undulations are set in motion by everything that we can see . Light proceeds , not only from shining bodies , such as the sun or a candle , but from everything that surrounds ...
... less In Him are not . . . " These most minute , most rapid , undulations are set in motion by everything that we can see . Light proceeds , not only from shining bodies , such as the sun or a candle , but from everything that surrounds ...
Página 8
... less frequent occurrence . We shall have to hear then about the Transmission , the Reflection , the Refraction , and the Disper- sion of Light ; with some mention of its Double Refraction and Polarisation ; including some account of the ...
... less frequent occurrence . We shall have to hear then about the Transmission , the Reflection , the Refraction , and the Disper- sion of Light ; with some mention of its Double Refraction and Polarisation ; including some account of the ...
Página 16
... less according to the nature and state of the surface , will be turned back . Even if the surface should be that of a transparent medium1 , this reflection will take place . And it follows an invariable rule . Suppose a straight line ...
... less according to the nature and state of the surface , will be turned back . Even if the surface should be that of a transparent medium1 , this reflection will take place . And it follows an invariable rule . Suppose a straight line ...
Página 35
... less dense than another according to the quantity of matter it contains . So glass is denser than water , water denser than air . Many other transparent media might be named , alco- hol , spirit of turpentine , oil , ice , crystals ...
... less dense than another according to the quantity of matter it contains . So glass is denser than water , water denser than air . Many other transparent media might be named , alco- hol , spirit of turpentine , oil , ice , crystals ...
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Términos y frases comunes
angles of incidence aperture axis beautiful called candle circle cloth boards colour concave lens concave mirror conjugate foci converging convex lens course crossing crystal crystalline lens curious curves dark direction dispersion distance Double Refraction edge equal angles equi-convex eye-lens Fcap feet focal image focal length form an image fraction front happens hole inches larger lenses look looking-glass magnifying power microscope minute moon Newtonian reflector NORTHUMBERLAND AVENUE object object-glass opposite optical parallel rays perfect perfectly picture plane mirror polarised position prism produce PROMOTING CHRISTIAN KNOWLEDGE properties of light proportion radiant radius rainbow ray passes reflected rays reflecting telescopes refraction retina reverse right angles seen shorter focus side sideways sine Sir EDMUND BECKETT spectrum speculum sphere spherical spherical aberration straight line suppose surface telescope thing tion turned undulations violet waves wonderful
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Página 125 - ANCIENT HISTORY FROM THE MONUMENTS. This Series of Books is chiefly intended to illustrate the Sacred Scriptures by the results of recent Monumental Researches in the East. Fcap. 8vo, cloth boards, 2s. each. Assyria, -from the Earliest Times to the Fall of Nineveh. By the late GEORGE SMITH, Esq., of the British 'Museum.
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Página 88 - Look upon the rainbow, and praise him that made it; very beautiful it is in the brightness thereof. It compasseth the heaven about with a glorious circle, and the hands of the Most High have bended it.
Página 123 - EVENINGS AT THE MICROSCOPE ; or, Researches among the Minuter Organs and Forms of Animal Life. By P. H. GOSSE, Esq., FRS A new edition, revised and annotated. Post 8vo Cloth boards 4 o FAN'S SILKEN STRING. By ANNETTE LYSTER, author of " Northwind and Sunshine,
Página 124 - CARE OF HEALTH. By the late EA PARKES, MD, FRS FOOD. By ALBERT J. BERNAYS, Professor of Chemistry at St. Thomas's Hospital. WATER, AIR, AND DISINFECTANTS. By W. NOEL HARTLEY, Esq., King's College. HEALTH AND OCCUPATION. By BW RICHARDSON, Esq., FRS, MD THE HABITATION IN RELATION TO HEALTH.