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 17
... angle of five degrees with the ordinary surface of the river . Mean level of the river to the top of the bridge in the centre , 168 Ditto to the bottom of the bridge in the centre , · 126 Height of the bridge from the bottom to the top ...
... angle of five degrees with the ordinary surface of the river . Mean level of the river to the top of the bridge in the centre , 168 Ditto to the bottom of the bridge in the centre , · 126 Height of the bridge from the bottom to the top ...
Página 37
... angles of contact , he pro- ceeds to lay down the mathematical part of his fyftem , and which depends on the following theorems . THEOR . I. The areas which revolving bodies de- scribe by radii drawn to an immoveable centre of force ...
... angles of contact , he pro- ceeds to lay down the mathematical part of his fyftem , and which depends on the following theorems . THEOR . I. The areas which revolving bodies de- scribe by radii drawn to an immoveable centre of force ...
Página 60
... angle . It appears that he lived foon after Eratofhenes , for he rallied that philofpher on the mechanism of his mefo- labe , Geminus , who lived in the fecond century before Jefus Chrift , has written on the conchoid , though Nicomedus ...
... angle . It appears that he lived foon after Eratofhenes , for he rallied that philofpher on the mechanism of his mefo- labe , Geminus , who lived in the fecond century before Jefus Chrift , has written on the conchoid , though Nicomedus ...
Página 98
... angles of 45 degrees made in every meridian , and that he called them rhumbs in his language , and calculated them by fpherical triangles . Nonius died in 1577 , aged 80 . NONIUS , the name which was not many years ago given to the ...
... angles of 45 degrees made in every meridian , and that he called them rhumbs in his language , and calculated them by fpherical triangles . Nonius died in 1577 , aged 80 . NONIUS , the name which was not many years ago given to the ...
Página 143
... angle V. for five , they added the fingle ftrokes to it to the number of thus , VI . VII . VIII . VIIII , and then as the ftrokes could not be further multiplied without confu- Numeral fion , they doubled their acute angle , by ...
... angle V. for five , they added the fingle ftrokes to it to the number of thus , VI . VII . VIII . VIIII , and then as the ftrokes could not be further multiplied without confu- Numeral fion , they doubled their acute angle , by ...
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.