Mechanics (including dynamical astronomy) is that subject among those traditionally classed as "applied" which has been most completely transfused by mathematics - that is to say, which is studied with the deductive spirit of the pure mathematician, and not with the covert inductive intention overlaid with the superficial forms of deduction, characteristic of the applied mathematician.
If we compare this with a similar allegory in Nasir's diwan, which culminates in the praise of Mostansir, we are fairly entitled to look upon it as a covert allusion to the eminent men who revealed to the poet in Cairo the secrets of the Isma`ilitic faith, and showed him what he considered the "heavenly ladder" to superior knowledge and spiritual bliss.
Acting as American naval agent for the many successful privateers who harried the English Channel, and for whom he skilfully got every bit of assistance possible, open and covert, from the French government, he was continually called upon for funds in these ventures.
In the subsequent years Mantineia still found opportunity to give the Athenians covert help, and during the Corinthian War (394387) scarcely disguised its sympathy with the anti-Spartan league.
They generally associate in herds, and spend most of the day in covert on the banks, feeding in the evening and morning.
If, for example, it is the habit of the huntsman to give a single note on his horn when hounds are drawing a covert, and a double note when a fox is found, the pack speedily understand the significance.
A man may see some sport on an animal that cost him £40; others may consider it necessary to keep an expensive establishment at Melton Mowbray or elsewhere in the Shires, with a dozen or more 500-guinea hunters, some covert-hacks, and a corresponding staff of servants.
This singular romance is diversified by, or, to speak more properly, it is the vehicle of the most bewildering abundance of digression, burlesque amplification, covert satire on things political, social and religious, miscellaneous erudition of the literary and scientific kind.
And if a man converted woodlands within the forest into arable land, he was guilty of the offence known as "assarting," whether the covert belonged to himself or not.
Take the covert at once, for my Girchik says the Ilagins are at Korniki with their hounds.
The oasis of the Otradnoe covert came in sight a few hundred yards off, the huntsmen were already nearing it.
Leaped a fearful place; what a sight when they rushed from the covert... the horse worth a thousand rubles and the rider beyond all price!