Category: History - Ancient
_BE IT REMEMBERED_, That on the fourteenth day of December, in the thirty-fourth year of the Independence of the United States of America, A. D. 1809. Jane Aitken, of the said District, hath deposited in this Office, the Title of a Book, the Right whereof she claims as Proprie...
_BE IT REMEMBERED_, That on the fourteenth day of December, in the thirty-fourth year of the Independence of the United States of America, A. D. 1809. Jane Aitken, of the said D...
2. Part 2How the attraction of electrics is performed, he acknowledges is not easily determined; though, he says, “that it is performed by effluviums is plain, and granted by most; for e...
3. Part 3The merit of this discovery belongs to Mr. Cuneus, a native of Leyden, from whence it derives its name of the Leyden phial.[7] “M. Muschenbroeck, professor in the university in...
4. Part 4If a glass tube be rubbed in the dark with a dry hand or piece of buckskin, upon applying the knuckle to it a luminous stream or spark will appear, passing from the glass to the...
5. Part 5As plates are not always to be procured, a good substitute may be found in a thick pane of glass or a piece of an old looking-glass. Mark with a diamond or file a circle on the...
6. Part 6Doctor Watson and many other gentlemen of eminence in science, were at the pains of making experiments of the same kind. They found, by means of a wire insulated on baked wood,...
7. Part 7The string of the kite was now fastened by a silk string to a post in the yard of the house; I was repeatedly charging two phials, and giving shocks with them: while I was so do...
8. Part 8The next electrical fish we are to mention is the Torpedo; a genus of fishes belonging to the order of Chondropterygia; the species of this genus are remarkable and numerous; bu...
9. Part 9This machine was invented by Dr. Franklin. It is made of a thin round plate of window-glass, 17 inches in diameter, covered on both sides with tin-foil, except about two inches...
10. Part 10This experiment may be varied different ways, so as to render it very agreeable to a company of spectators. A person, for instance, standing upon an insulating stool, connected...
11. Part 11There is scarcely any thing to which an inquisitive mind, such as a philosopher possesses, submits with more reluctance, than to the inability of assigning the causes of the mos...
12. Part 12Dr. Priestley says, it may be thought a difficulty upon this hypothesis, that one of the sides of a glass plate cannot be exhausted, without the other receiving more than its na...
13. Part 13When several batteries are required, they should be disposed in the same order as if they all constituted one trough, (observing through the whole series to keep the zinc surfac...
14. Part 14I have since examined several peach and nectarine trees; and wherever I discovered a limb dead, I invariably found that one or more of the nails which fastened it were in _conta...
15. Part 15They opened a vein in the body twice, but no blood followed; after which they endeavoured to recover life by violent friction, but in vain: upon turning the corpse with the face...