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These come near to the Stupefying Poisons; but they are not treated in the same manner; for ether, wine, or acids combined with spirits, appear the properest things to destroy their deleterious properties: spices are then indicated, except for savine, which requires instead thereof acids. CONIUM maculatum.

I answered that, in 1844, I was in Upper Georgia, and there saw some native gold, but it was much finer than this, and that it was in phials, or in transparent quills; but I said that, if this were gold, it could be easily tested, first, by its malleability, and next by acids. I took a piece in my teeth, and the metallic lustre was perfect.

A zinc table cover is preferred by some housewives, as it absorbs no grease and is readily brightened with scouring soap and hot water. Separate zinc-covered table tops can be had for $1.50. The marble-topped table is not desirable, for, though it undoubtedly is an aid to the making of good pastry, it stains easily, dissolves in some acids, and clogs with oils.

Especially to those whose soil of life is inclined to be a little clayey and heavy, is the apple a winter necessity. It is the natural antidote of most of the ills the flesh is heir to. Full of vegetable acids and aromatics, qualities which act as refrigerants and antiseptics, what an enemy it is to jaundice, indigestion, torpidity of liver, etc.

Acids, 9 " Water, 841 " 1,000 " What must we do to bring such must to the condition of a normal must? This is the question thus arising. To solve it, we calculate thus: If, in six pounds of acids in a normal wine, 240 pounds of sugar appear, how much sugar is wanted for nine pounds of acids? Answer, 360 pounds.

It has no sensible operation but by urine, an effect which pure water would produce, if drank in the same quantity. If we may believe those who have published their experiments, this water produces neither agitation, cloud, or change of colour, when mixed with acids, alkalies, tincture of galls, syrup of violets, or solution of silver.

"Dextrine is a substance that can be produced from starch by the action of dilute acids, alkalies, and malt extract, and by roasting it at a temperature between 284° and 330° F., till it is of a light brown color, and has the odor of overbaked bread." A simple form of dextrine may be found in the brown crust of bread that sweetish substance that gives the crust its agreeable flavor.

Another scheme for altering bank-notes is practiced with more or less success. It is to take a one dollar silver certificate and by means of powerful acids and fine penwork the large figure "one" on the reverse side is split into two "tens," and the intermediate portion transformed into a scroll.

As experimental discovery advanced, the substances classed with acids have been constantly multiplying, and by a natural consequence the attributes connoted by the word have receded and become fewer. The true analysis of muriatic acid, into chlorine and hydrogen, caused the second property, composition from a base and oxygen, to be excluded from the connotation.

This power of charcoal also extends to gases, and to certain noxious dissolved organic impurities, but it is never safe to rely too much on such filters, since the charcoal can at length become charged with impurities, and gradually cease to act. These filters need cleaning and renewing from time to time. Properties of Acids and Alkalis.