Philosophical essaysauthor, 1766 - 525 |
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Strona iv
... defcribed . This , I thought , I might very fafely affert ; ince I was able to demonftrate from the moft convincing facts , that it exifted in the pores of of grofs Bodies , and was endued with all the iv PREF A CE .
... defcribed . This , I thought , I might very fafely affert ; ince I was able to demonftrate from the moft convincing facts , that it exifted in the pores of of grofs Bodies , and was endued with all the iv PREF A CE .
Strona 23
... Pores and Interfices of the hardest and clofeft Subftances . Fourthly , Since the Earth is endued with a property of transpiration or of breathing forth the most volatile parts of it to a confiderable height from its Jurface ; thofe ...
... Pores and Interfices of the hardest and clofeft Subftances . Fourthly , Since the Earth is endued with a property of transpiration or of breathing forth the most volatile parts of it to a confiderable height from its Jurface ; thofe ...
Strona 26
... pores of grofs bo- dies , as Sir Ifaac had afferted , I fhall endeavour to obviate an objection or two that may poffi- bly be made to fome particular Articles of my Theory , that they may appear to others in the fame rational and ...
... pores of grofs bo- dies , as Sir Ifaac had afferted , I fhall endeavour to obviate an objection or two that may poffi- bly be made to fome particular Articles of my Theory , that they may appear to others in the fame rational and ...
Strona 27
... pores than in free fpaces , and fo much the rarer as their pores are lefs . ' & c . See Sir Ifaac Newton's Letter to Mr. Boyle , written in the Year 1678. Again , 61. Secondly , A E 2 in ( 27 )
... pores than in free fpaces , and fo much the rarer as their pores are lefs . ' & c . See Sir Ifaac Newton's Letter to Mr. Boyle , written in the Year 1678. Again , 61. Secondly , A E 2 in ( 27 )
Strona 28
... pores of the most rare hollow bodies , is capable of being heated by friction , as well as the elec trical and more pure air contain'd in the mi- + I have attempted to prove it by as accurate a balance as I cou'd well procure , but cou ...
... pores of the most rare hollow bodies , is capable of being heated by friction , as well as the elec trical and more pure air contain'd in the mi- + I have attempted to prove it by as accurate a balance as I cou'd well procure , but cou ...
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Æther affert againſt Agent alfo almoſt alſo appears Atmoſphere Attraction attrition becauſe cafe caufe cauſe common Air confequently confiderable degree demonftrated diſcover'd diſcovery diſtance ditto eafily Earth effects elaftic elaſtic electrical Fluid electrifed eſcape exifts exiſtence Experiments fame feems feveral fhall fhew fhould fide filk fince Fire firft firſt folar folid fome foon force fubtile Medium fuch fufficient fuppofe furface glafs glaſs Gravity greateſt grofs Bodies hath Heat himſelf illuftrate Inches increaſe inftance Inftrument interfect itſelf lefs light Longitude magnetic Pole matter means Meridian moft moſt motion muft muſt natural neceffary Needle obferved paffing particles Perfon Phænomena Phænomenon Phial Philofophy phyfical Pneuma poffibly pofition pores prefent preffure Principle prove Rays reafon refiftance ſhall Sir Ifaac Newton ſmall ſpace ſtate thefe themſelves theſe thing thofe thoſe thro tion tricity Tube univerfal uſe vacuum Variation Weft wire Worceſter Worcestershire
Popularne fragmenty
Strona 147 - This kite is to be raised when a thunder-gust appears to be coming on, and the person who holds the string must stand within a door or window, or under some cover, so that the silk...
Strona 37 - ... all sensation is excited, and the members of animal bodies move at the command of the will, namely, by the vibrations of this spirit, mutually propagated along the solid filaments of the nerves, from the outward organs of sense to the brain, and from the brain into the muscles.
Strona 37 - And now we might add something concerning a certain most subtle Spirit which pervades and lies hid in all gross bodies: by the force and action of which Spirit the particles of bodies mutually attract one another at near distances, and cohere, if contiguous...
Strona 147 - As soon as any of the thunder-clouds come over the kite the pointed wire will draw the electric fire from them, and the kite, with all the twine, will be electrified, and the loose filaments of the twine will stand out every way and be attracted by an approaching finger.
Strona 395 - ... the nature of things depending on them would be changed. Water and earth composed of old worn particles and fragments of particles would not be of the same nature and texture now with water and earth composed of entire particles in the beginning.
Strona 256 - ... which philosophy seems chiefly to be founded on; such as the density and the resistance of bodies, spaces void of all bodies, and the motion of light and sounds. It remains that, from the same principles, I now demonstrate the frame of the System of the World.
Strona 21 - The qualities of bodies, which admit neither intensification nor remission of degrees, and which are found to belong to all bodies within the reach of our experiments, are to be esteemed the universal qualities of all bodies whatsoever.
Strona 147 - To the top of the upright stick of the cross is to be fixed a very sharp-pointed wire, rising a foot or more above the wood. To the end of the twine next the hand is to be tied a silk ribbon, and where the silk and twine join a key may be fastened.
Strona 139 - I wish we could derive the rest of the phenomena of nature by the same kind of reasoning from mechanical principles; for I am induced by many reasons to suspect that they may all depend upon certain forces by which the particles of bodies, by some causes hitherto unknown, are either mutually impelled towards each other, and cohere in regular figures, or are repelled and recede from each other...
Strona 71 - Body, and to be expanded through a Sphere, whose diameter is above two Feet, and yet to be able to agitate and carry up Leaf Copper, or Leaf Gold, at the distance of above a Foot from the electrick Body...