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Spread on the pie and bake with, the oven door open until a rich golden brown. Too much sugar causes a meringue to liquefy; if not baked long enough the same effect is produced.
Dr. Tilden has drawn my attention to an interesting example of the lowering of melting-point by the mixture of salts. The melting-point of monohydrochloride of turpentine oil is 125°, while that of the dihydrochloride is 50°; but on simply stirring together these compounds in a mortar at common temperatures, they immediately liquefy.
Metals as regarded their elemental composition were considered to partake of the nature of earth, water, and air, in various proportions. Fossils, or those things generated in the earth which were not metals, were again subdivided into two classes those which liquefy on being heated, as sulphur, nitre, etc., and those which do not. The metals were considered to be composed of sulphur and mercury.
When a drop of the oil is added to nitric acid, it solidifies, and on heating very readily changes into an orange yellow solid, which appears to soften, though not to liquefy, at the temperature of boiling water. This substance is readily soluble in hot solution of potash or soda, producing a deep brown liquid, from which it is again deposited in flocks on acidifying.
We mean that it is one of the constituents inherent in and inseparable from the object, whose union gives to the object its distinctive character. When we call fluidity at one temperature, solidity at another, and vaporisation at a third, properties of water, we mean that matter which did not liquefy, congeal, and evaporate at different temperatures would not be water.
All love is a gas, and it takes either loneliness, strength of character, or religion to liquefy it into a condition to be ladled out of us, one to another. There is a certain dangerously volatile state of it; and occasionally people, especially of opposite sexes, try to administer it to each other in that form, with asphyxiation resulting to both hearts.
The peripheral cells, after reaching a more complete development than the central ones, coalesce into a membrane enclosing the rest; and then the cells lying next to these outer ones become aggregated with them, and increase the thickness of the germinal membrane, while the central cells liquefy.
Of late Father Domenico had seemed to me less calm than usual: his eyes had grown strangely bright, and red spots had formed on his salient cheekbones. One day last week, taking his hand, I felt his pulse flutter, and all his strength as it were, liquefy under my touch. "You are ill," I said. "You have fever, Father Domenico. You have been overdoing yourself some new privation, some new penance.
So well is this principle carried out in Dr. Hamp-son's apparatus for liquefying air that compressed air passing into the coil at ordinary temperature without other means of refrigeration begins to liquefy in about six minutes a result that seems almost miraculous when it is understood that the essential mechanism by which this is brought about is contained in a cylinder only eighteen inches long and seven inches in diameter.
There are some writers whose words but half express the indefinable thoughts that inspired them, and to whom we have to surrender our whole minds with a peculiar loyalty and fulness, independent of the letter and printed phrase, if we would liquefy the frozen speech and recover some portion of its imprisoned essence. This is seldom a necessity with Byron.
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