Rational Recreations: In which the Principles of Numbers and Natural Philosophy are Clearly and Copiously Elucidated, by a Series of Easy, Entertaining, Interesting Experiments. Among which are All Those Commonly Performed with the Cards, Volume 4

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L. Davis, 1782 - Card games
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Page 228 - The hands and the two parts of the cards being thus disposed, you draw off the lower cards, confined by the little finger and the other parts of the right hand, and place them, with an imperceptible motion, on the top of the pack. But before you attempt any of the tricks that depend on making the pass...
Page 66 - ... lighter than water. The larger ball has alfo a fhort neck at C, into which is fcrewed the graduated brafs wire AC, which, by a fmall weight at A, caufes the body of the inftrument to defcend in the fluid with part of the ftem.
Page 246 - ... is pasted lightly. After showing a person the card, you let him hold one end of it, and you hold the other, and while you amuse him with discourse, you slide off the heart. Then laying the card on the table, you bid him cover it with his hand; you then knock under the table, and command the heart to turn into the ace of spades.
Page 270 - The fecond and third times you in like manner put the heap in which he fays it is, at the bottom, the number each time being 3. Then looking at the pack with your glafs, as if to difcover which the card was, you lay the cards down one by one, and the twentieth card will be that he fixed on.
Page 75 - Now it is evident, fince brafs is eieht times heavier than water, that for every inch the wire finks in the water it will become half a grain lighter, and half a grain heavier for every inch it rifes out of...
Page 75 - ... two inches above it, the wire will become one grain lighter or heavier. Therefore, if when the middle point is at the...
Page 37 - Mercurial Shower. CEMENT a piece of wood into the lower part of the neck of an open receiver, and pour mercury over it. After a few strokes of the pump the pressure of the air on the • Halo, a circle ofliifUt round the sun.
Page 264 - ... only large enough to contain a single card. Place this vase on a bracket, L, which is fastened to the partition M. Fix a silken thread at H, the other end of which passes down the division d, and over the pulley I, runs along the bracket L, and goes out behind the, partition M. Take three cards from a picquet pack...
Page 73 - T,, moving horizontally when the wire hl is turned about, and therefore may be eafily fet to the graduated wire r s. To the lower end of the wire rs hangs a weight L, and to that a wire pn, with a fmall brafs ball g, about a quarter of an inch diameter.
Page 30 - TAKE a piece of stick, cut it even at each end with a penknife, and immerse it in a vessel of mercury. When the air is pumped out of the receiver, it will at the same time come out of the pores of the wood, through the mercury, as will be visible at each end of the stick. When the air is again let into the receiver, it falls on the surface of the mercury, and forces it into the pores of the wood to possess the place of the air. When the rod is taken out it...

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