No. l.-WuoLE No. s65.
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CT hand it is usual to place a wooden of

 ivory handle on a metal teapot. These substances being bad conductors of heat, the handle will be slow to take the tenn. perature of the metal; and even if it do take it, will not produce the same sensa. ton of heat in the hand. A handle ap- parentiy silver, IS sometimes put on siI- yer teapot; but if examined, it will be found that the covering only is silver; and that at the points wherH the handle joins the ves- sels there is small interruption between the metallic covering and the motal of the tea pot itself, which space is sufficient to Interrnpt the communication of the heat to the silver which covers the handle. Ina porcelain tea pot; tho heat is slowly trans- mitted from the vessel to its handle and even when it is transmitted, the handle be- l ing bad conductor. may be touched with- out any inconvenience. A kettle which has metal handle cannot be touched when h'led with boiling water, without covers ing of some non- conducting substance, such as cloth or paper; while one with wood. en handle may be touched without incon. venlence! The leats Sometimes performed by quacks and hountebanks, in exposing their bodies to fierce temperatures, may b6 easily explained on the principle here laid down. When man goes into an oven rai-

 sed to very high temperature, he takes l care to have under his feet thick mat of straw, wool. or other non-conducting sub stance, upon which he may stand with i'm. punity at the proposed temperature. His body is surrounded with air, raised, it is true, to high temperature but the ex- treme tenuity of this fluid causes all that portion oft in contact with the body at any given time 10 produce buta slight effect in communicating heat. The exhibitor al- ways takes care to be out of contact with any good conducting substance; and when he exhibits the effect produced by the oven in which he is enclosed upon other objects, he takes equal care to place them in con- dition very different from that in which ll6 himself is placed he exposes them to tho effect ofmetal or other good cohductors.- Meat has been exhibited, dressed in the apartment with the exhibitor: metal sur- face IS in such case provided, and, prob ably, heated to much higher temperature

 than the atmosphere which surrounds the exhibitor.

 Marriages im America.-The conditions of life being perfectly equal, parents have nothing to oppose to the ch oice their daugh. ters may make of husband. Thus it is received maxim throughout tho Union; that this choice only concerns the young ladies, and it is therefore for them to bs ments unworthy 6f theft FrH hands. ni ABSaga Bnafg it would be considered almost as an act of indiscretioi oh the part of the parents to wish to influence their choice: Nothing in the world can be so happy as the situa- ] tion of an American young lady, from fif- teen to twenty-five, particularly if she is pretty, as almostall are, and has some for- tune. She finds herself the centre of gen. eral admiration and homage; her life pass es in holidays and pleasures she is a stranger to contradiction, still more to re- fusals. She has only to choose, among hundred admirers, the one she thinks most

 likely to ensure her future happiness for every body marries; and every body is happy in marriage: This state ofa ''belle," as it is called; is too attractive to make young ladies consent to quit it too soon ]; accordingly, it is not in general, until re- |jecting many offers, and they perceive that their charms are beginning to lose something of their empire, that they con- clude by choosing liege lord. It is to Washington in particular, that the fine women of all the States come to shine d sort of female congress, in which the charms of every part ofthe Union are rsp- resented: An ardent deputy from the south is captivated by the modest charms of beauty from the east while a damsel from Carolina rejects the overtnres of senator from the north. All, however, are notre. jected, for at the end of every session, a certain number of marriages is declared: they serve to strengthen further the Union of the states, and multiply the ties which unite all parts of this great whole in an in. dissoluble manner.-MTat's v. StGtes:

 ! RURAL. LABOR. F s4 A 3.s