Transactions of the American Philosophical Society, Bind 3American Philosophical Society, 1793 Held at Philadelphia for promoting useful knowledge. |
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Side 11
... supposed a gradual production of time ? If the earth is at prefent magnetical , in virtue of the maffes of iron ore contained in it , might not fome ages pafs before it had magnetic polarity ? Since iron ore may exift without that ...
... supposed a gradual production of time ? If the earth is at prefent magnetical , in virtue of the maffes of iron ore contained in it , might not fome ages pafs before it had magnetic polarity ? Since iron ore may exift without that ...
Side 42
... supposed more have emigrated from thence , than the numbers who had gone thither would amount to . * In the year 1760 , they were increased half a million.1 herefore , as Dr. Price obferves , they have all along doubled their own number ...
... supposed more have emigrated from thence , than the numbers who had gone thither would amount to . * In the year 1760 , they were increased half a million.1 herefore , as Dr. Price obferves , they have all along doubled their own number ...
Side 49
... ( supposed to be Henry Laurens , Efq . ) fays he has frequently heard Dr. Moultrie declare that opinion and this writer gives the names of fifteen perfons , who had died in South - Carolina , within a short time paft , whofe ages average ...
... ( supposed to be Henry Laurens , Efq . ) fays he has frequently heard Dr. Moultrie declare that opinion and this writer gives the names of fifteen perfons , who had died in South - Carolina , within a short time paft , whofe ages average ...
Side 137
... supposed to fall fhort of the real numbers of our inhabitants ; the conjectural estimate , before mentioned , cannot be much too high , if any . Many other observations , relative to the subject of this enquiry , will be fuggested by an ...
... supposed to fall fhort of the real numbers of our inhabitants ; the conjectural estimate , before mentioned , cannot be much too high , if any . Many other observations , relative to the subject of this enquiry , will be fuggested by an ...
Side 309
... supposed ; the geftures that are natural in one cafe , would be buffoonery in another , and it would be as difficult to reconcile opini- ons in this refpect , as to join a Harlequin to a Burgomaf- ter . Qn On teaching the SURD , or DEAF ...
... supposed ; the geftures that are natural in one cafe , would be buffoonery in another , and it would be as difficult to reconcile opini- ons in this refpect , as to join a Harlequin to a Burgomaf- ter . Qn On teaching the SURD , or DEAF ...
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againſt Aitoni alfo alſo appears atmoſphere banks becauſe Benjamin Smith Barton births Brown's bank cafe circumftances coaft cold confequently confiderable courſe DAVID RITTENHOUSE deaths defcribed difcovered diſcharge diſtance Engliſh expofed faid fame fathoms fays fecond feems feen fettlers feven feveral fhall fhould fide fimilar fimple fince firft firſt fituation fluid fmall fome fometimes fpecies ftate ftill fubftance fubject fuch fufficient fugar fuppofed furface fyftem gulph ftream heat Hiftory honey-bee houſe increaſe inftances inhabitants Iſland JONATHAN WILLIAMS laft language lefs letter Linnæus Maffachuſetts maple marriages moffes moiſture moſt muft muſt neceffary Noon obfervations occafion paffage paffed Pennſylvania perfons Philadelphia Philofophical plant poifon pollen prefent proportion publiſhed purpoſe quantity RATTLE-SNAKE reafon refpect refult rife ſeveral ſhall ſmall ſome ſpecies ſtate thefe themſelves thermometer theſe thofe thoſe trees uſed veffel velocity Weft
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Side 11 - Our ancient correspondence used to have something philosophical in it. As you are now more free from public cares, and I expect to be so in a few months, why may we not resume that kind of correspondence ? Our much regretted friend Winthrop once made me the compliment, that I was good at starting game for philosophers : let me try if I can start a little for you.
Side 3 - ... specific gravity with themselves, where they would rest; while other matter, mixed with the lighter air would descend, and the two meeting would form the shell of the first earth, leaving the upper atmosphere nearly clear.
Side 299 - The latent tracts, the giddy heights, explore Of all who blindly creep, or sightless soar; Eye Nature's walks, shoot Folly as it flies, And catch the manners living as they rise; Laugh where we must, be candid where we can; But vindicate the ways of God to man.
Side 65 - Springs of the purest water abound in their neighbourhood. They are, when fully grown, as tall as the white and black oaks, and from two to three feet in diameter.* They put forth a beautiful white blossom in the Spring before they show a single leaf.
Side 12 - ... poles have been changed? Is not the supposition that the poles have been changed the easiest way of accounting for the deluge by getting rid of the old difficulty how to dispose of its waters after it was over?
Side 2 - ... be an agent sufficiently strong for that purpose, when acting between the incumbent earth and the fluid on which it rests. If one might indulge imagination, in supposing how such a globe was formed, I should conceive, that, all the elements in separate particles being originally mixed in confusion, and occupying a great space, they would (as soon as...
Side 65 - Its afhes afford a great quantity of pot afh exceeded by few or perhaps by none of the trees that grow in the woods of the United States. The tree is fuppofed to arrive at its full growth in the woods in twenty years. It is not injured by tapping; on the contrary, the oftencr it is tapped, the more fyrup is obtained from it. In this refpeft it follows the law of animal fecretion.
Side 9 - China, if they would make fheets, fuppofe of four and an half ells long and one and an half ell wide, they have two large vats, each five ells long and two...
Side 342 - I have had no reference to his political character, or to his reputation for general science, and for literature. My business was with his knowledge of natural history. In the various departments of this science, but especially in botany and in zoology, the information of this gentleman is equalled by that of few persons in the United-States.
Side 325 - ... of the bellows, and the other end was thrown into the well, reaching ^within one foot of the bottom. At this time the well 'was...