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In the OLD AGE of coasts the rock bench is cut back so far that the waves can no longer exert their full effect upon the shore. Their energy is dissipated in moving shore drift hither and thither and in abrading the bench when they drag bottom upon it.
While these things had been going on in the quarter allotted to the commonalty, Somerset in front had waited the fall of the curtain with those sick and sorry feelings which should be combated by the aid of philosophy and a good conscience, but which really are only subdued by time and the abrading rush of affairs. He was, however, stoical enough, when it was all over, to accept Mrs.
In regions where all the geological deposits, Silurian, Devonian, Carboniferous, Permian, Triassic, etc., are piled one upon another, and we can get a glimpse of their internal relations only where some rent has laid them open, or where their ragged edges, worn away by the abrading action of external influences, expose to view their successive layers, it must, of course, be more difficult to follow their connection.
When we contemplate the area which is now exposed to the abrading action of ice, or which is the receptacle of moraine matter thrown down from melting glaciers or bergs, we at once perceive that the submarine area is the most extensive of the two.
It should be noted here that the cutting power of the water moving in the torrent or in the wave, the capacity it has for abrading rock, resides altogether in the bits of stone or cutting tools with which it is armed.
"Look out! look out!" shrieked a chorus of voices overhead, accompanied by a rattle of falling boards. Pet sprang forward just in time to escape one of them, and to catch another on her shoulder. It touched her gently, not even abrading her skin, for its fall had been stopped midway by a young man. "Stupid!" "Silly creature!" "The girl's a blockhead!"
We have also to recollect that the abrading action of water has been absent from the moon; so that, while accumulations of matter had been proceeding throughout a prolonged period over its surface, there was no counteracting agency of denudation at work to modify or lessen the effects of the ruptive forces.
The latter is lighter, softer, and more impervious to the wind than the sweater. Here again I wish to place myself on record as opposed to a coat. It is a useless ornament, assumed but rarely, and then only as substitute for a handier garment. Inasmuch as you will be a great deal called on to handle abrading and sometimes frozen ropes, you will want a pair of heavy buckskin gauntlets.
I passed hills along the eastern base of the Rocky Mountains where this process is less complete and more active than is usual, hills which are the remaining vestiges of a former average level of the plain adjacent, and which have happened to wear away so steeply and sharply that very little vegetation ever finds support on their sides, which every rain is still abrading.
The first step in any process for reclaiming rubber is the grinding of the waste, for which purpose several machines have been designed specially, an early patent for disintegrating rubber scrap by "subjecting it to the abrading action of grindstones" having failed to meet with favor. The most usual chemical treatment is a bath in a solution of sulphuric acid in lead-lined tanks.
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