Among these were the exponential calculus, and the curve called by him the linea brachistochrona, or line of swiftest descent, which he was the first to determine, pointing out at the same time the relation which this curve bears to the path described by a ray of light passing through strata of variable density.
The swiftest current te,-ids, by reason of centrifugal force, to follow the outer side of every significant curve in the channel; hence the concave bank, against which the rapid current sweeps, is worn away; thus any chance irregularity is exaggerated, and in time a series of large serpentines or meanders is developed,, the most-symmetrical examples at present being those near Greenville, Miss.
The American clipper ships that were constructed at Baltimore and elsewhere during the last three decades before the Civil War were doubtless the swiftest sailers that have ever been built.
In the treaty which partitioned Poland there was a secret clause which engaged the contracting powers to uphold the existing Swedish constitution as the swiftest means of subverting Swedish independence; and an alliance with the credulous Caps, " the Patriots " as they were called at St Petersburg, guaranteeing their constitution, was the corollary to this secret understanding.
I remember with delight how I went through their rose-garden, how their dogs, big Leo and little curly-haired Fritz with long ears, came to meet me, and how Nimrod, the swiftest of the horses, poked his nose into my hands for a pat and a lump of sugar.
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