Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, Volumen 13,Parte 1Colin Macfarquhar, George Gleig A. Bell and C. Macfarquhar, 1797 |
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Página 37
... parallel to one fide Aa of the figure ; and the pa- rallelograms a K bl , b Lcm , c Mdn , & c . are com- pleted ... parallel to BS , meeting BC in C ; and at the end of the fecond part of the time , the body , by cor . 1. of the laws ...
... parallel to one fide Aa of the figure ; and the pa- rallelograms a K bl , b Lcm , c Mdn , & c . are com- pleted ... parallel to BS , meeting BC in C ; and at the end of the fecond part of the time , the body , by cor . 1. of the laws ...
Página 38
... parallel to C ; that is , in the direction of the line BS ; and in the place C according to the direction of a line parallel to d D , that is , in the direction of the line CS , & c .; and therefore acts always in the direc- tion of ...
... parallel to C ; that is , in the direction of the line BS ; and in the place C according to the direction of a line parallel to d D , that is , in the direction of the line CS , & c .; and therefore acts always in the direc- tion of ...
Página 40
... parallels . The fame thing he fhows with re- gard to bodies revolving in fpirals , ellipfes , hyper- bolas , or parabolas - Having the figures of the orbits given , he fhows alfo how to find the velocities and moving powers ; and , in ...
... parallels . The fame thing he fhows with re- gard to bodies revolving in fpirals , ellipfes , hyper- bolas , or parabolas - Having the figures of the orbits given , he fhows alfo how to find the velocities and moving powers ; and , in ...
Página 70
... parallel to the former in their whole courfe , making part of the mountains of Lechtambara , or at leaft joining with them ; and these two , when be- hind Aformaska , turn to the fouth , and then to the south weft , taking the fame form ...
... parallel to the former in their whole courfe , making part of the mountains of Lechtambara , or at leaft joining with them ; and these two , when be- hind Aformaska , turn to the fouth , and then to the south weft , taking the fame form ...
Página 92
... parallel to the equinoctial ; and viewing the pole ftar through the whole of the centre , turn the index about , till , by the edge coming from the centre , you see the bright ftar or guard of the Little Bear , ( if the inftrument be ...
... parallel to the equinoctial ; and viewing the pole ftar through the whole of the centre , turn the index about , till , by the edge coming from the centre , you see the bright ftar or guard of the Little Bear , ( if the inftrument be ...
Términos y frases comunes
alfo almoft alſo ancient angle angle of incidence appear arife becauſe befides Bocchus body cafe called caufe cauſe centre Cicero circumftances colour confequently confiderable confifts convex courfe defcribed difcovered diftance Dr Hooke equal expreffed faid fame fays fecond feems feen fent feven feveral fhadow fhall fhort fhould fhow fide fince fingle firft fituated fmall focus fome fometimes foon fouth fpecies fquare ftands ftate ftill fubftance fubject fuch fufficient fuppofed furface glafs glaſs himſelf houſe incident rays inftrument interfection itſelf Jugurtha king laft leaft lefs lens light likewife magnifying meaſure moft moſt motion muft muſt neceffary Norway Numidia obferved object occafion oppofite optic pafs parallel perfon philofophers pofition prefent prifm purpoſe quantity Quintilian reafon reflected refraction reft reprefented retina river Roman ſmall ſpace teleſcope thefe themſelves theſe thing thofe thoſe tion uſed vifion weft whofe
Pasajes populares
Página 35 - The change of motion is proportional to the motive force impressed ; and is made in the direction of the right line in which that force is impressed.
Página 131 - Wherever it appears, it should raise hatred by the malignity of its practices, and contempt by the meanness of its stratagems ; for while it is supported by either parts or spirit, it will be seldom heartily abhorred.
Página 122 - ... he always annexes to the dove ; but, if he pretends to defend the preference he gives to one or the other by endeavouring to prove that this more beautiful form proceeds from a particular gradation of magnitude, undulation of a curve, or direction of a line, or whatever other conceit of his imagination he shall fix on as a criterion of form, he will be continually contradicting himself, and find at last that the great Mother of Nature will not be subjected to such narrow rules.
Página 122 - I suppose it will be easily granted, that no man can judge whether any animal be beautiful in its kind, or deformed, who has seen only one of that species...
Página 131 - ... we lose the abhorrence of their faults, because they do not hinder our pleasure, or, perhaps, regard them with some kindness, for being united with so much merit.
Página 131 - It is therefore not a sufficient vindication of a character, that it is drawn as it appears, for many characters ought never to be drawn; nor of a narrative, that the train of events is agreeable to observation and experience, for that observation which is called knowledge of the world, will be found much more frequently to make men cunning than good.
Página 122 - ... the centre ; or it may be compared to pendulums vibrating in different directions over one central point ; and as they all cross the centre, though only one passes through any other point...
Página 122 - Every species of the animal as well as the vegetable creation may be said to have a fixed or determinate form, towards which nature is continually inclining...
Página 224 - But Jonah rose up to flee unto Tarshish from the presence of the LORD, and went down to Joppa ; and he found a ship going to Tarshish : so he paid the fare thereof, and went down into it, to go with them unto Tarshish from the presence of the LORD.
Página 131 - ... the highest and purest that humanity can reach, which, exercised in such trials as the various revolutions of things shall bring upon it, may, by conquering some calamities and enduring others, teach us what we may hope and what we can perform.