The Artillerists̓ Manual, and British Soldiers̓ CompendiumW.H. Allen, 1854 - 331 σελίδες |
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Σελίδα xxi
... object 5. Where there is no shadow 6. By the Tangent scale of a Gun 7. By means of two Pickets Methods of ascertaining Distances- 1. By means of a pocket Sextant 2 . 3 . ,, the Prismatic Compass the Reconnoitring Protractor 4 , 5 , 6 ...
... object 5. Where there is no shadow 6. By the Tangent scale of a Gun 7. By means of two Pickets Methods of ascertaining Distances- 1. By means of a pocket Sextant 2 . 3 . ,, the Prismatic Compass the Reconnoitring Protractor 4 , 5 , 6 ...
Σελίδα 16
... objects . In firing by wings , one wing will receive the word Ready , " the instant the other has completed its loading . Great care must be taken in file firing that it is not hurried , and that the men Present deliberately . The value ...
... objects . In firing by wings , one wing will receive the word Ready , " the instant the other has completed its loading . Great care must be taken in file firing that it is not hurried , and that the men Present deliberately . The value ...
Σελίδα 44
... object aimed at , when laid by the surface of the gun . Point blank Range is when the piece is laid at the object without any elevation ; the plane and the axis of the bore being parallel to each other . Its distance is measured from ...
... object aimed at , when laid by the surface of the gun . Point blank Range is when the piece is laid at the object without any elevation ; the plane and the axis of the bore being parallel to each other . Its distance is measured from ...
Σελίδα 45
... object intended to be struck , because in that time it will have fallen through that space ; therefore , the more distant the object is , the greater must be the elevation given to enable the shot to reach it . There are three Modes of ...
... object intended to be struck , because in that time it will have fallen through that space ; therefore , the more distant the object is , the greater must be the elevation given to enable the shot to reach it . There are three Modes of ...
Σελίδα 51
... paint , especially before it has gained sufficient hardness to be durable . The following objects also require to be particularly attended to - viz .: In skidding Guns , & c . , care must E 2 PART III . ] 51 ORDNANCE .
... paint , especially before it has gained sufficient hardness to be durable . The following objects also require to be particularly attended to - viz .: In skidding Guns , & c . , care must E 2 PART III . ] 51 ORDNANCE .
Συχνά εμφανιζόμενοι όροι και φράσεις
Ammunition angles antimony axletree ball bastions Battalion bore Brass breadth bursters carriage CARRONADE cartridges centre command common shells Company composition Congreve rockets counterscarp degrees diameter DISMOUNT ditto division double drag-ropes drams Dress Echellon Eleva elevation embrazures equal face feet long fire flank foot FORM LINE frustrum fuze gabions half battery Halt Halt-Dress handspikes HEAVE hole horses Howitzer inches interior slope iron length lever Limber load Mealed powder mortar multiply muzzle non-commissioned officer Open column Ordnance ounces paces parapet perpendicular pickets piece placed plank platform portfires pounds quarter distance QUICK MARCH range ravelin rear rank RIGHT OR LEFT rocket rope Saltpetre Shoulder arms shrapnell side skids sling slow match solid shot spike square Sub-divisions sulphur superior slope swords take ground terreplein tiers tion traverses trunnions tubes velocity Vide Waggon weight wheel yards دو
Δημοφιλή αποσπάσματα
Σελίδα 280 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; and each degree into 60 minutes, each minute into 60 seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 58. The Measure of an angle, is an arc of any circle contained between the two lines which form that angle, the angular point being the centre ; and it is estimated by the number of degrees contained in that arc.
Σελίδα 312 - A cylinder is a solid figure described by the revolution of a rightangled parallelogram about one of its sides which remains fixed. XXII. The axis of a cylinder is the fixed straight line about which the parallelogram revolves. XXIII. The bases of a cylinder are the circles described by the two revolving opposite sides of the parallelogram.
Σελίδα 251 - Multiply each term in the multiplicand, beginning at the lowest, by the feet in the multiplier, and write...
Σελίδα 255 - Subtract the square thus found from the said period, and to the remainder annex the two figures of the next following period, for a dividend. Double the root above mentioned for a divisor, and find how often it is contained in the said dividend, exclusive of its righthand figure ; and set that quotient figure both in the quotient and divisor.
Σελίδα 249 - Divide as in whole numbers, and point off as many figures for decimals in the quotient, as the decimal places in the dividend exceed those in the divisor.
Σελίδα 310 - From half the sum of the three sides subtract each side severally. Multiply...
Σελίδα 314 - For the surface of a segment or frustum, multiply the whole circumference of the sphere by the height of the part required.
Σελίδα 255 - The square root is indicated by this character \/ placed before the number ; the other roots by the same character, with the index of the root placed over it. Thus, the square root of 16 is expressed \A6 , and the cube root of 27 is expressed v^27 ; and the 5th root of 7776,^7776.
Σελίδα 245 - RULE. — Multiply each numerator by all the denominators except its own, for the new numerators; and all the denominators together for a common denominator. NOTE 1.
Σελίδα 269 - ... the weight in equilibrio. Hence, a small addition either of leverage, or weight, will cause the power to preponderate. Example 1. — A ball weighing 3 tons is to be raised by 4 men, who can exert a force of 12 cwt.: required the proportionate length of lever ? 3 tons = 60 cwt.