File:Manual of military engineering (1905) (14759477106).jpg

Identifier: manualofmilitary00grea (find matches)
Title: Manual of military engineering
Year: 1905 (1900s)
Authors: Great Britain. War Office
Subjects: Military engineering
Publisher: London : Printed for H. M. Stationery off., by Harrison and sons
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive

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means of fragments of projectiles burst in theright position, and not by breeching the parapet with the pro-jectile itself. An occasional sheU may strike and penetratethe parapet, but in the case of a shrapnel shell the damageto the parapet wiU be trifling, while in the case of a howitzershell filled with high explosive, the effect will be no worseon a thin parapet than on a thick one. Thus it is useless tospend time and labour on making a thick parapet to keepout the actual shell. Against such fire, concealment is ofgreatest importance. Plate 1 gives some idea of the effect of bursting shells. 10. The following table (taken from Combined Training,1905) gives the various ranges of the different weapons :— Terms applied toranges. Rifle. FieldArtillery. Keavy Artillery. DistantLong Effective ..Decisive Yards. 2,800-2,0002,000-1,400 1,400-eoo coo andunder. Yards. 6,000-4,500 4,500-3,500 3,500-2,000 2,000 and under. Yards. 10,000-6,000 6,000-4,000 4,000-2,500 2,500 and under. riai^, /.
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Veiier&Sr^hflm. LJ* Liitio.London. Opposite pou^e S. CHAPTER I.—PRELIMINARY. 9 The extreme width of the area of ground struck by thebullets of an effective shrapnel is about 25 yards. The limit of the forward effect of shrapnel at effective rangeis about 300 yards. The radius of the explosion of a high explosive shell isabout 25 yards. 11. The follo^ving terms are used with reference to artillery Maturesand rifle fire :— of ^ire- High Angle Fire.—Fire from guns and howitzers at all angles of elevation exceeding 25°.Frontal Fire.—When the line of fire is perpendicular to the front of the target.Oblique Fire.—AVhen the line of fire is inclined to the front of the target.Enfilade Fire.—Fire which sweeps a line of troops or defences from a flank.Reverse Fire.—When the rear instead of the front of thetarget is fired at. 10 CHAPTER II.—FIELD GEOMETRY. 12. Before proceeding to the more technical portion ofmilitary engineering, it is as well to understand some of thesimpl

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