The Wonders of OpticsC. Scribner & Company, 1870 - 276 páginas |
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amongst angle apparatus appear Arnold Guyot astronomer blue brilliant camera obscura cause centre CHAPTER cloth College colour concave mirror consequently convex lens CRITICAL NOTICES crystalline lens dark distance distinguish double effect English English Language examined experiments eye-piece fact feet figure flame focus give glass green Gregorian Telescope illusions imagination instance instrument lamp language lenses lines looking luminous magic lantern magnifying manner maps means metal microscope mind natural nebulæ Newtonian telescope object object-glass observer optical optical illusion ordinary pass perceived phantasmagoria Phenakistiscope philosopher piece placed portion position possessed principles prism produced Prof Professor rays of light reflected refracted retina Robertson screen SCRIBNER seen sense sight solar spectators spectres spectrum star stereoscope student surface telescope text-book tint tion treatise tube vibrations violet volume waves wonderful yellow
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Página 11 - ... it must equally be considered a splendid performance; and for the present we have no hesitation in saying that it is by far the best representation of Homer's Iliad in the English language.
Página 24 - The object of the present volume is: to indicate the character and, approximately, the extent of the changes produced by human action in the physical conditions of the globe we inhabit; to point out the dangers of imprudence and the necessity of caution in all operations which, on a large scale, interfere with the spontaneous arrangements of the organic or the inorganic world...
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Página 32 - Price, . $2 50. Prof. Whitney's aim in these lectures is to place in a clearly comprehensible form, before the English reader and student, all the principal facts regarding language— its nature and origin, its growth, its classifications, its ethnological bearing, its value to man. Technical and...