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That this reserve has been wise in its day, and has most usefully widened the tide and scope of the teacher's popularity, one need not dispute. There are conditions when indirect solvents are most powerful, as there are others, which these have done much to prepare, when no lover of truth will stoop to declarations other than direct. Mr.
I am but making psychological investigations. At the same time I do not hide from myself that such experiences weaken the hold of common sense, because they act as solvents of all personal interests and prejudices. I can only defend myself against them by returning to the common life of men, and by bracing and fortifying the will. July 14, 1880.
But there are apparently good reasons for preferring the theory of Richthofen: viz., first, the veinstone of the Comstock is chiefly quartz, the natural and common precipitate of hot waters, since they are far more powerful solvents of silica than cold.
Darwin saw certain generalizations as solvents, and behold! a clear solution out of the mud. But it was by piling evidence upon evidence, co-ordinating isolated facts not directly associated, that the towering structure was erected. There is no prettier sample extant of the powers of the inductive method. Not that there are no triumphs of the quantitative method in store for the biologist.
For the evils of society there are no solvents as potent as love and justice, and our greatest need is not more wealth and learning, but a religion replete with life and glowing with love. Let this be the impelling force in the race and it cannot fail to rise in the scale of character and condition." "And," said Dr.
A portion of the stone will I grind to impalpable powder; other parts shall be dissolved in acids, or whatever solvents will act upon so admirable a composition; and the remainder I design to melt in the crucible, or set on fire with the blow-pipe. By these various methods I shall gain an accurate analysis, and finally bestow the result of my labors upon the world in a folio volume."
A portion of the stone will I grind to impalpable powder; other parts shall be dissolved in acids, or whatever solvents will act upon so admirable a composition; and the remainder I design to melt in the crucible, or set on fire with the blow-pipe. By these various methods I shall gain an accurate analysis, and finally bestow the result of my labors upon the world in a folio volume.
The majority of so-called corn solvents consist of a solution of salicylic acid in collodion; if this is painted on daily, the epidermis dies and can then be pared away. The unskilful paring of corns may determine the occurrence of senile gangrene in those who are predisposed to it by disease of the arteries. [Illustration: FIG.
The spinal fluid itself is a secretion of another gland at the base of the brain, the choroid. Nerves and internal secretion are associated here with a closeness symbolic of their general relations. Robertson, an American chemist, separated from the anterior lobe a substance soluble in the fat solvents, like ether and gasoline, which he christened tethelin.
*How Substances are Liquefied.*—While the reduction of solids to the liquid state is accomplished in some instances by heating them until they melt, they are more frequently reduced to this state by subjecting them to the action of certain liquids, called solvents. Through the action of the solvent the minute particles of the solid separate from each other and disappear from view.
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