Conversations on Natural Philosophy: In which the Elements of that Science are Familiarly Explained, and Adapted to the Comprehension of Young Pupils. Illustrated with Plates |
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Page viii
... Light by Transparent Bodies ; Refraction ; Re- fraction of the Atmosphere ; Refraction of a Lens ; Refraction of the Prism ; Of the Colors of Rays of Light Of the Colors of Bodies . Page 211 . CONVERSATION XVII . OPTICS . On the ...
... Light by Transparent Bodies ; Refraction ; Re- fraction of the Atmosphere ; Refraction of a Lens ; Refraction of the Prism ; Of the Colors of Rays of Light Of the Colors of Bodies . Page 211 . CONVERSATION XVII . OPTICS . On the ...
Page 92
... rays ; and when we see the sun , he is so dazzling , that very accurate observations cannot be made upon Mercury ... light , is seven times as great in Mercury as with us ; : Caroline . Oh , what a dreadful climate ! 335 Can the ...
... rays ; and when we see the sun , he is so dazzling , that very accurate observations cannot be made upon Mercury ... light , is seven times as great in Mercury as with us ; : Caroline . Oh , what a dreadful climate ! 335 Can the ...
Page 98
... light arising from the numberless reflections of the rays in coming to the eye ; this leads us to imagine that the stars are much larger than they would appear , if we saw them only by the few rays which come directly from them , so as ...
... light arising from the numberless reflections of the rays in coming to the eye ; this leads us to imagine that the stars are much larger than they would appear , if we saw them only by the few rays which come directly from them , so as ...
Page 114
... light . Caroline . Then after all , the sun , which I thought so partial , confers his favours equally on all . Mrs. B. You mistake : the inhabitants of the torrid zone have much more heat than we have , as the sun's rays fall ...
... light . Caroline . Then after all , the sun , which I thought so partial , confers his favours equally on all . Mrs. B. You mistake : the inhabitants of the torrid zone have much more heat than we have , as the sun's rays fall ...
Page 116
... light and heat : and what can be more delightful than the beneficent effects of this vivify- ing power on its ... rays falling perpen- dicularly on those regions , whilst they fall obliquely on these more northern regions ; now I ...
... light and heat : and what can be more delightful than the beneficent effects of this vivify- ing power on its ... rays falling perpen- dicularly on those regions , whilst they fall obliquely on these more northern regions ; now I ...
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Common terms and phrases
angle appear astronomy atmosphere attraction of cohesion axis ball called camera obscura Caroline centre of gravity centrifugal force circle cohesive attraction concave mirror consequently convex mirror dark degrees diminished direction distance diurnal motion earth eclipse effect elastic Emily equal equator explain figure fixed stars fluid focus force fulcrum geometry glass globe greater heat illustrated lens less lever liquids mechanical power mercury meridian moon motion move Natural Philosophy nature object obliquely observe opaque body opposite orbit particles pass pendulum perpendicular planets plate poles pressure produced proportion pulley pump rays fall rays of light reflected rays reflecting telescope refraction represents resistance retina revolve round right line rise round the sun shadow shines side situated solar solid bodies sonorous body sound space specific gravity sphere spring sun's rays suppose surface tides tion tube understand vapor velocity vibrations weight whilst wind