Page images
PDF
EPUB

48

B

Prize Queries. Wharton's volume, always signifies re the fignificator of life in any person's volutions for good*. AsO, D,8 have radix, shall be within the beams of the passed the 5 h, there is no stop; anareta, or killing planet, or of an inthough their not having cleared fortune not friendly disposed, fuch natheir orbs from his ofhews rubbish tive will run great hazard for his life.” to be fwept away; but 24's applica I could also throw a little light on tion to his A with disposition of him, the scheme of the vernal ingress in in which ļ (herself conjoined with # 1788, but this shall susfice for the preor new ftar) participates, much facili- sent. Partridge's Almanack did itself tates this operation. h's O to the lu- incomparable credit that year, but its minaries and fhews, that no heavy, author treacherously, and cowardly, a. cold plots against government will fuc- bandoned his predictions the two fucceed, and his position shews sullennefs ceeding years. and fears. Hence, however, he fends The present transit of by 6 of unequivocal aid to 4.-__Note, h is in the horoscope of the ecliple is the prin.' the ascendant of France.

cipal and only decisive cause operating If it be objeéted, how come nobles to produce the elucidation now handed to fuffer so much when their fignifi- to the Public. cator is in his own dignities, actually

& day 24 hour, near 6 pm. ruler of the Eclipse, joined too with

Sept. 2. the regalo and so little' afflicted? I answer, Nobles have suffered very little. They have been advanced. Grandees THE QUERIST. N° II. have suffered. Is this intelligible ?

I will just add two other Aphorisms QUERY I. COMMUNICATED BY on Eclipses, in order to leave my ground

QUOD. clear. Effects are proportioned by their

Can a person with propriety deny causes : therefore, total eclipses and having confidence in Aftrology, while finall ones differ in their scale of effects. they judge of all cases by fymptoms, and The effects (i.e. the immediate ef

hold the opinion that lunatics are under

the dominion of the moon ? fetts) of a Solar Eclipse, continue as many years as the eclipfe does hours; those of a lunar, as many months,

QUERY II. COMMUNICATED EY MR. Note. But the SEEDS SOwn may,

, fome, not produce fruit, others may not Why is the appellation of “the Telbloilon, others not put out leaves, others tament” given to the holy word ? pot break the ground, for LONG AFTER.

This ecliple was allo on the sun's QUERY place at the birth of a very distinguished

MR. JEWIT. Personage in England ; and ã on the place of o in the radix of another lit- mined lightning to be a Huid or electric

Since Modern Philosophy has detertle less distinguished, and on the horo- fire, which is moit safe in a storm, to scope of a THIRD--scarcely distin

Thut all the doors and windows, or to guimed at all, and that little, by po- keep them all wide open ? " When, at the time of an eclipse,

QUERY IV. COMMUNICATED BY MR. * He entered Cancer in 1776, the year wherein Anerica declared Independence If you apply the big end of any egg and was happily afectes ty Saturn, Vensis,' to the tip of the tongue, there is emitted the Sun, and Mars, at the vernal ingress :

a sensible warmth ; say, from what part he was also in Cancer at Oliver Cromwell's hires; but bad'y aspected by Saturn and

of the egg, does this particular sensation Mars.

arife?

WILLIAM HARDY.

III.

COMMUNICATED

BY

VERTY.

B. ROW.

PHILOSOPHICAL

AND

INGENIOUS

AMUSEMENTS.

PAPER

[ocr errors]

CURIOUS

FROM

A

INGENIOUS

LAWS

OF

QUESTION 1.
QUESTIONS

Suppose with a common die of fix
OŇ CÀRDS,

faces I undertake to throw the ace twice LATE

successively; what is the chance of success? PAMPHLET ON THE

Solution. The probability of throwCHANCE .

ing an ace the first time is as 6 to 1, and IN all games the number of chances.

that of throwing it the second time as for winning and losing must be confi- 6 to 1, and the product of 6 by 6, viz. dered, from whence the probabilities of 36 are the number of chances against success will be obtained. Now the

me for throwing an ace twice fuccefprobability of an event happening is to fively, that is as 36 to 1. that of its failing, as the number of

QUESTION 2. different ways by which it can happen to the number of different ways by each, containing an ace, king, queen,

Suppose there are 3 parcels of 4 cards which it can fail : thus, if I have 3 and knave, what are the odds that in chances to win 4 pounds, and 3. chances whereby I may not win any thing, my three aces?

taking one from each I shall take the expectation in this case will be worth 2

Solution. The odds for drawing an pounds, it being an equal chance whether I get 4 pounds or nothing; and

ace from any one heap are as 4 to 1,

that of drawing two aces as 4 consequently, if a person was to pưr- plied by 4, or 16 to 1, and that of

multichase my expectation, he ought to give me 2 pounds for it. Again, suppose a

drawing a third ace, as 16 multiplied person holds a certain sum of money in by 4, or 64 to 1. each hand, and I am to choose which

QUESTION 3 hand I will, I say the value of my expectation is in this case half the sum of Suppose there is a heap of 13 cards money in both hands, for fuppofe 7 of one fuit, what is the probability that pounds in one hand, and 9 in the other, in drawing three of them they shall be then it is evident I have an equal chance the king, queen, and knave ? for either 7 pounds or 9, therefore my

The solution of this question differs expectation is evidently worth Ś fomething from the two former, here pounds.

being but one heap, whereas in the other To find the probability of an event

there were three, and each heap conhappening, proceed thus ; add the num

tained the same number of cards at ber of chances for the event happening each drawing ; but in this the number to those of its failing, and that sum of things are lessened at each drawing, compared with the chances for the event and are 13, 12, and 11 ; these multihappening or failing will express their plied together, produce 1916, therefore respective probabilities for gain and the odds are as 1716 to 1. loss . - Suppose an event has 3 chances

N. B. The solution will be the to happen, and 2 to fail, the sum of

fame whether the cards are drawn one

3 and 2 is five, then the probability of the

at a time or all together. event happening will be as 5 to 3, and that of its failing as 5 to 2.

QUESTION 4 The probability of

Let there be a heap of 10 cards, of events happening is equal to the product which 4 are diamonds and 6 clubs, what of the probabilities whereby those events is the probability that, in drawing two may happen fingly.

of them, they shall be both diamonds ?

Solution.

two or more

VOL. I.

[blocks in formation]

Solution. Suppose them drawn one Take a bit of a walnut-tree, about at a time : now the number of chances the thickness of a candle, and cut ong for this event to happen once are 4, and of its ends to a point; put that end in those for its failing 6, therefore the

pro the fire, and let it burn till it is quite bability that this event Mall happen the red. While the stick is burning, draw firft time is as 10 to 4, that is, the pro on the glais or cryftal, with ink, the debability of drawing a dianiond the firit sign or outline of the form in which you time ; if a diamond be fo drawn we mein to cut it out. Then take a file or have

9 cards left, 3 of which are dia- a bit of glass and Icratch a little the place monds, and the probability of drawing where you mean to begin your fection; a diamond the fecond time will be as 9 then take the wood red hot from the to 3 ; now the number of chances for

fire, and 'lay the point of it about the the event to happen are 4

and
3,

thele twentieth part of an inch, or thickness multiplied together produce 12; the of a guinei, from the marked place; number of chances against it are 10 and taking care to blow always on that point. 9, whose product is go, whence the in order to keep it red ; follow the probability of drawing 2 diamonds drawing traced on the glass, leaving, as succeslively is as go to 12, or as 15 before, about the twentieth part of an to 2.

inch interval every time that you present QUESTION 5.

your piece of wood, which you muit

take care to blow often: Let it bé required to find the proba. After having followed exactly the bility of drawing 2 clubs from the outlines of your drawing, to feparate fame heap.

the two pieces thus cut, you need only Solution. There being 10 cards as pull them up and down, and they will before, 6 of which are clubs, the pro divide. bability of drawing a club the firit time will be as 10 to 6; if a club be so drawn we shall have 9 cards left, 5 of which

To melt a piece of Steel as if it was Lead, will be clubs, and the probability of

without requiring a very great fire. drawing a club the next time, will be as 9 to 5; now the number of chances for succeeding are 6 and 5, whole pro

TAKE a piece of {teel and put it in duct is 30, and those againit it are io

à crncible ; then throw in a handful of and 9, whose product is 90, therefore

antimony in powder : as luon as your the odds for drawing 2 clubs fucceflively crucible begins to be red, your piece of

teel will melt like lead. are as go to 30, or just as 3 to 1.

Pour it atterwards into an earthen

rel, or a wedge-mould, to thew the CURIOUS PHYSICAL AMUSEMENTS,

company your operation has succeeded FROM PINETTI.

as you had promised.

a

То cut a Glals, a Loohing-glafs, or even
Piece of Crtial, ito it be poser to thick,

Anoilier method of melting Stee!, ard to sec withoue the help of a Diamond, in the

it liquiiy. Came ibape as the Mark of the drawing made on ir viihink.

MAKE a piece of fleel quite red in THIS remarkable operation unites the fire; then holding it with a pair of utility with amazement. For being in pincers or tongs, take in the other hand the country, or in a place where there is a stick of brimitone, and touch tlie piece no glazier nor glatlman to be had, tie of deel with it: immediately after their following means will answer the pur. contact, you will see the heel melt and pose without tlisir help.

drop like a liquido

To

1

Singular Deceptions.

51 To unite Wax and Water (things absolutely ed from a pin, placed for that purpose,

opposite to e ch other); this union made and let any one let fire to the thread, in the twentieth part of a minute, forms a good Pomstum to clean the kin, and ren.

which, to all appearancs, was burrt to der it soft and white. It is a tine Colnetic. alles, and yet the ring remained hang

ing to the end of it. Tuis was cagerly IN order to make this mixture, (ufe- fought after by all the great masters in ful for many things) put in a glazed ear the legerdemain art, but without sucthen pot quite new, fix ounces of Ipring cess; and the moment they made the or river water, 'to two ounces of good experiment, and the thread was burnt, white virgin wax : add to this a gond the ring fell to the ground; they were pinch of Malt of tartar. If you wish confounded ;s and the more they tried, to conceal your operation, nothing is the more they were at a loss, cafier : make a little roll or itick of Many offered to purchase the secret wax, in which you will introduce a from the girl, but the remained inflexpinch of salt of tartar ; put these ingre- ibie; the rightly considered that a tridients on the fire, and when they begin fling sum for initant use, would deprive to heat, be attentive to stir them with a her of her future livelihood; but Fate little stick, and you will fee the union, at lalt overpowered her. She was taktake place as soon as the wax melts; you

en ill, and being deftitutç of even the will then have it at your option to ren

common neceffaries of life, was preder the pomatum, by the result of this vailed upon to communicate the whole operation, more or less liquid, by leave, of her ist to the celebrated Mr. Jonas, ing it on the fire more or less time. who generously rewarded her with half

a guinea!

This trick, which is really surprising, To fasten a ring or a fix-pence at the end of is done by the most simple means imaa piece of common to read, and after turn- ginable : all the art lies in preparing ing the thread, to leave the ring hanging the thread, which is done thus-She at the end of it.

ulcd to soak the thread in falt and water From Dean's Legerdemaiu.

for some time, and then dry it before

the fire ; the faline particles adhering THERE are many ways to deceive to the thread, though imperceptible, imthe eye,

which are not casily compre mediately caught the flame of the can. hended ; and, till they come to be ex

dle, and burnt like so much tow; yet, plained, cannot be accounted for. although it feemed to burn, it really

More deceptions are performed at such preserved the body of the thread, which a distance from the audience, as they remained firm and undiminilhed ; yet, cannot (however quick-lighted} pene- when touched, it became pulverised, trate into the mystery; and when they and crumbled to ashes. are brought fo near as to be examined, Thus, from the most fimple things, even by the touch, and yet to remain in the most astonishing performances are the dark, the wonder becomes greater. exhibited, The trick I am going to relate is one of the last mentioned fort, and has puzzled many of the most learned in those mat. The learned little Swan, one of Mr. Brefters for several yçars.

Taw's Grand Deceptions. A Palatine girl used to make a comfortable livelihood, and even supported

DECEPTIONS in the mathema. her parents, by going from public houle tics are generally the most surprising, to public-house, and exhibiting the fol- and strike the fancy in an astonishing lowing device :

manner; thele, though moft of them She tied a ring or fix-pence to the end are commonly known, never fail to see of a picee of thread, which was suspend. cus e applause,

G2

A large

52

Curious Experiments.

A large marble or china-bowl is. whom he fastened by the bridle on the painted withinside the rim, with the outside of the cave, and then went in letters contained in the alphabet. : A and laid himself down in his cloaths, and small artificial sıvan is set to fwim in being much fatigucd, fell fast alleep, nor the centre of the water it contains ; the did he awake till the day-light appeared, performer bids any one call for a letter when, to his great astonishment, he upon naming the letter, the swan quits found himself fuspended by the heels its station in the middle, and goes di- from the roof of the cave, He made rectly to the letter mentioned ; or, if it many efforts to free himself from so difis desired, will pick out the whole of agreeable a state, when at length he what composes your name. This, no shuffled his legs out of his boots, and doubt, is looked upon with astonishịnent! came to the ground almoit stunned with

But this amazement will vanish, when the fall ; when looking up, he perceived it is known, that a small steel or iron the cause of this disaster was owing to pin is fixed withinside the fwan, and the cave being formed out of a rock of that the performer has a magnet in his load-stone, and he having steel spurs on, pocket, by which means, as he moves was attracted up in the manner describ: round the table, it attracts the swan to ed ; some say the boots are hanging every letter where it is wanted to stop there yet : others. seriously relate, that åt, till it forms the name of whatever is the coffin' of Mahomet, which is iron, is required.

su pended in the temple of Mecca beThe nature of the magnet being tween two load-stones, and seems to known, many curious experiments have hang only in air, which the bigotted been made with it; a knife, or any Muflulmen look upon as a miracle. other piece of iron touched with the loadstone, will bring up nails or needles out of a pail of water, or by rubbing To tale a Bird out of a Cage, and make it rou the outside on the bottom of a

appear as dead, or to'roll it about as you

please. pewter plate, will cause needles, or any thing made of iron or steel, to dance, THOSE of moderate understandings and move about just as you direct it on are easier to be deceived, as the great the outside, Breslaw was not a little Lord Cheiterfield observes, in his letters disconcerted one erening in the Hay. "to his fon; di mankind are easier deceived market. The late Sir Francis Blake than undeceived :" and if it was not so, Delaval, going to see his exhibition, half the jugglers would want employtook a magnet in his pocket, and facing ment, and the multitude would not croud the perforiner on the opposite part of so often to see their wonders ! wonders! the table, the swan between the two at- and wonders !

once per tractive instruments became fixed in the formed by that great philosopher Kattere middle: the artist perceiving he could felto, and his Black cat, and others of not perform as usual, exclaimed. there the same class; but as those who have was fomebody in the room in the secret, ' money are willing to accommodate those and who counteracted his intention.' who have none, others have art enough Sir Francis smiled, shewed his magnet, to conjure it out of their pockets ; the and the trick became no longer wondere world will be always supplied with some ful.

of both forts, and it is no matter how, A gentleman travelling in foreign so that money does but circulate; and sarts, happened to be benighted, far tricks of the moft fimple kind will often 'fiom any place of accommodation : to attract the notice of the croud, who - avoid the drearinels of the night, in a throw away their fix-pences, shillings,

strange place, he thought it adviseable, and half-crowns, for the benefit of those to seek for some shelter, and having dif- who want it. rovered a cave, he dismounted his horse, This trick is one of that sort - which

wants

[ocr errors]

as

were

« PreviousContinue »