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Pivots of maneuver are detachments of troops left to guard points which it is essential to hold, while the bulk of the army proceeds to the fulfillment of some important end; and when this is accomplished the pivot of maneuver ceases to exist. Thus, Ney's corps was the pivot of Napoleon's maneuver by Donauwerth and Augsburg to cut Mack from his line of retreat.
The fixed pivot is situated at d, and pencil and pointer holes are made at a and f. Using the Pantograph. When adjusting the instrument for reduction or enlargement, make sure that the adjustment pivots are in the holes corresponding with the scale. The fixed pivot, pointer, and pencil must be rigid, and, with pivot c, be of such a length that the pantograph as a whole moves parallel to the paper.
At one side of it you might sometimes find a smaller door, to be used for the ordinary going in and out when it was unnecessary or inconvenient for the larger doors to be opened. The doors themselves turn, not upon hinges of the modern kind, but upon pivots, which move, often too noisily, in sockets let into the threshold and lintel.
Now see that the mainspring is let down and then remove the screws from the plates, taking care not to damage or bend any of the pivots as you do this.
One is attached by a fixed pivot at a to the board on which the drawing is done. At b and e are removable pivots, used for adjusting the rods; at c is a pivot which projects an inch or so below the rods. The pointer is inserted at d for enlargement, or at f for reduction, the pencil being in the unoccupied hole at d or f.
Never use force in removing the material, but depend entirely upon the keenness of the cutting edges. Never use the point of the graver, except where you are compelled to, but rather use the right or left hand cutting edges. By following out this rule you will find that your work, when left by the graver, requires little or no finishing up, except at the pivots.
He took Fidenae, a city close to Rome, according to some authorities, by sending his cavalry thither on a sudden, and ordering them to cut the pivots of the city gates, and then unexpectedly appearing in person.
If they are properly attended to when the club is going up, there is much more likelihood of their coming down all right. The head is still kept motionless and the body pivots easily at the waist; but when the club is half-way down, the left hip is allowed to go forward a little a preliminary to and preparation for the forward movement of the body which is soon to begin.
But the first fact is this, that these epigrams of hers were never so true as when they turned on one of the two or three pivots on which contemporary Europe was really turning. She is by far the most European of all the English poets of that age; all of them, even her own much greater husband, look local beside her. Tennyson and the rest are nowhere.
With regard to the two great points, the pivots upon which the whole machine must move, my creed is simply "First, That the general government is not invested with more powers than are indispensably necessary to perform the functions of a good government, and, consequently, that no objection ought to be made against the quantity of power delegated to it.
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