Philosophical essaysauthor, 1766 - 525 |
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Strona 83
... , and this like the magnetical agent affects no other metal or thing than Iron , which effects are fo conftant and fo regular , that nothing ' tis imagined but invincible preju M 2 dice dice can prevail with them to deny the force of ( 83 )
... , and this like the magnetical agent affects no other metal or thing than Iron , which effects are fo conftant and fo regular , that nothing ' tis imagined but invincible preju M 2 dice dice can prevail with them to deny the force of ( 83 )
Strona 85
... metal communicating with the vacuum is electris'd , there appears moft remarkable flashes of light in the vacuum , if the air - pump be fupported with an electric per fe , 168. Thirdly . The ingenious Mr. Martin's experiment made with ...
... metal communicating with the vacuum is electris'd , there appears moft remarkable flashes of light in the vacuum , if the air - pump be fupported with an electric per fe , 168. Thirdly . The ingenious Mr. Martin's experiment made with ...
Strona 93
... metal- lic Sphere , whofe furface is either polished or gilded Such a body being electrifed is en- compaffed with an Atmosphere of the rare elaftic Fluid , in the fame manner as the revolv ing glass Globe , or as the foremention'd Tube ...
... metal- lic Sphere , whofe furface is either polished or gilded Such a body being electrifed is en- compaffed with an Atmosphere of the rare elaftic Fluid , in the fame manner as the revolv ing glass Globe , or as the foremention'd Tube ...
Strona 157
... metal electrified , by a Globe . Thirdly , That round the ftring • there appear'd a permanent Cylinder of Light ⚫ three or four Inches diameter ; this being an • electric Atmosphere which was much more • condensed near the ftring than ...
... metal electrified , by a Globe . Thirdly , That round the ftring • there appear'd a permanent Cylinder of Light ⚫ three or four Inches diameter ; this being an • electric Atmosphere which was much more • condensed near the ftring than ...
Strona 158
... metal was connected , and brought down into his Chamber , where was an elec → trical Machine . 320. The Chain was fo fupported with filk- en ftrings , as to touch no part of the Building . When he judged the Air to be replete with ...
... metal was connected , and brought down into his Chamber , where was an elec → trical Machine . 320. The Chain was fo fupported with filk- en ftrings , as to touch no part of the Building . When he judged the Air to be replete with ...
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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...