Opera, en anglois, avec notes par P. Shaw, Том 21738 |
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Результати 1-5 із 89
Сторінка 5
... mixtures or feparations of rays , by virtue of their dif- ferent refrangibility or reflexibility . And in this refpect , fays that great author , " the " fcience of colours becomes a fpeculation " as truly mathematical as any part of op ...
... mixtures or feparations of rays , by virtue of their dif- ferent refrangibility or reflexibility . And in this refpect , fays that great author , " the " fcience of colours becomes a fpeculation " as truly mathematical as any part of op ...
Сторінка 14
... mixture , muft produce it . " But in making experiments of this kind , care must be had that the light be fuffici- " ently homogeneal . " Newton . Optic . p . 156 , - 158 . 66 " In tranfparently coloured liquors , ' tis " obfervable ...
... mixture , muft produce it . " But in making experiments of this kind , care must be had that the light be fuffici- " ently homogeneal . " Newton . Optic . p . 156 , - 158 . 66 " In tranfparently coloured liquors , ' tis " obfervable ...
Сторінка 15
... mixture , muft produce it . " be compared together . Thus , for in- " ftance , if cinnabar and ultramarine blue , 66 " But in making experiments of this kind , care must be had that the light be fuffici- " ently homogeneal . " Newton ...
... mixture , muft produce it . " be compared together . Thus , for in- " ftance , if cinnabar and ultramarine blue , 66 " But in making experiments of this kind , care must be had that the light be fuffici- " ently homogeneal . " Newton ...
Сторінка 17
... mixture fo compounded , that the impreffion it left upon the ftone appeared of a very different colour from that of gold ; yet a lit- tle Aqua fortis would immediately make the golden colour disclose itself , by diffolving only the ...
... mixture fo compounded , that the impreffion it left upon the ftone appeared of a very different colour from that of gold ; yet a lit- tle Aqua fortis would immediately make the golden colour disclose itself , by diffolving only the ...
Сторінка 21
... mixture of all the coloured rays , into which the fun's light is thrown by the prifm , makes white light ; and therefore , that all homogenial light , that is , light whofe rays are all alike refrangible , have a peculiar colour ...
... mixture of all the coloured rays , into which the fun's light is thrown by the prifm , makes white light ; and therefore , that all homogenial light , that is , light whofe rays are all alike refrangible , have a peculiar colour ...
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Загальні терміни та фрази
afcend againſt alfo almoft alſo antimony appear appear'd Aqua fortis atmoſphere becauſe bladder blue bodies bubbles cafe calx caufe cauſe colour confequently confiderable confifts corpufcles cupel cylinder diffolved eafily employ'd experiment faid fair water faline falt fame feem'd feems feveral fhall fhew fhould fides filk fill'd filver fince firft flender fluid fmall folid folution fome fometimes fpirit fpring fubftance fuch fucker fufficiently fulphur fuperficial fuppofe furface glafs glaſs green inches inftance inftrument itſelf lefs light liquor lours manifeft mercury metalline moft moſt motion muft muſt nature obferv'd obferved oil of vitriol opake orifice orpiment pafs particles philofophers PHYSICS pipe prefently preffure prefs purpoſe quick-filver rays reafon receiver reflect reft ſeems ſmall ſtrong thefe themſelves theſe things thofe thoſe thro tincture tranfparent tube turn'd ufually uſe veffel vial vitriol weigh'd weight wherein whereof whilft whofe yellow
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Сторінка 221 - I look upon a law as a moral, not a physical cause, as being indeed but a notional thing, according to which, an intelligent and free agent is bound to regulate its actions.
Сторінка 300 - Subtract the loss of the heavy body weighed by itself in water, previously known, from the loss sustained by the combined solids. The remainder will be the weight of as much water as is equal in bulk to the lighter body.
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Сторінка 131 - Earth are constantly warm'd, and in some places grow very hot; Bodies burn and shine, Mountains take fire, the Caverns of the Earth are blown up, and the Sun continues violently hot and lucid, and warms all things by his Light.
Сторінка 308 - I pretended; which was not to prove, that no angel or other immaterial creature could interpose in these cases; for concerning such agents, all that I need say, is, that in the cases proposed we have no need to recur to them.
Сторінка 216 - And the more wonderful things he discovers in the works of nature, the more auxiliary proofs he meets with to establish and enforce the argument, drawn from the universe and its parts, to evince that there is a God ; which is a proposition of that vast weight and importance, that it ought to endear every thing to us that is able to confirm it, and afford us new motives to acknowledge and adore the divine Author of things.
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Сторінка 514 - ... pressure of a mercurial cylinder of about 29 inches, as we are taught by the Torricellian experiment; so here the same air being brought to a degree of density about twice as great as that it had before, obtains a spring twice as strong as formerly. As may appear by its being able to sustain or resist a cylinder of 29 inches in the longer tube, together with the weight of the atmospherical cylinder that leaned upon those 29 inches of mercury; and, as we just now inferred from the Torricellian...