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They knew, also, that by keeping Slavery in the Border States the mere 'friction and abrasion' to which you so appropriately allude, would keep up a constant irritation, resulting necessarily from the frequent losses to which the owners would be subjected. "They also calculated largely, and not without reason, upon the repugnance of Non-Slaveholders in those States to a Free Negro population.
All experiments referred to in this paper were made by jets of water under an actual vertical head of 45 ft., but as the supply came through a considerable length of ½ in. bore lead piping, and many bends, a large and constant loss occurred through friction and bends, so that the actual working head was only known by measuring the velocity of discharge.
For the tidal retardation is not an oscillatory change which will presently correct itself, like the orbital wobble, but a perpetual change, acting always in one direction. The exact character of these consequences was first estimated by Professor G. H. Darwin in 1879. He showed that tidal friction, in retarding the earth, must also push the moon out from the parent planet on a spiral orbit.
After nearly ten minutes powerful and incessant friction, the sticks began to smoke, and Johnny, tossing his cap into the air, gave an exulting "Hurrah!" But his rejoicing proved premature, for, though the wood fairly smoked, that was the utmost that could be attained, and Morton was obliged to desist, without having produced a flame.
It may rattle and grow loose, like some worn-out engine, where the friction presses; but it will work till it collapses totally, and some of the work achieved is good and permanent. It is bound to be so. Infinitely sadder is the sight of a mind which is falling to pieces by reason of the rust that has eaten into its very core. For rust must needs mean idleness and no human intellect need be idle.
It is the studied and profitable psychology of the auction that the rubbish must be sold first pots and bottles and jugs at five-cent bids, and hoes at ten and after that, the friction of the contest having warmed in the bidders an amiable desire to purchase goods they do not want and cannot use, the auctioneer gradually puts forth the treasures of the day.
Busch then referred to British friction with Russia in Afghanistan and with France in Burmah, and then put the question to Andrae, "'Have we given up South Africa; or is the Lucia Bay affair still open? He said that the matter was still under consideration ."
One-third of her working men were constantly employed, as before remarked, in this laborious operation, and some of their hands had become so sore from the constant friction of the ropes, that they could hardly handle them any longer without the use of mittens, assisted by the unlaying of the ropes to make them soft.
Both were excited by unusual emotions, and our first thrusts were neither skilfully aimed nor parried. We fenced with the energy of anger, and the sparks crackled from the friction of the grazing steel. For several minutes it was a doubtful contest; but I grew cooler every instant, while a slight advantage I had gained irritated my adversary.
With regard to the former, they appear to run with less friction, but are heavier to start, oil boxes in some experiments made on the South-Western Railway giving a resistance of 2.5 lb. per ton, while grease boxes ranged from 6 lb. to 9 lb. per ton. Again, the long and heavy bogie Pullman and other coaches have the reputation among drivers, rightly or wrongly, of being hard to pull.
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