Manual of field fortification, military sketching and reconnaissanceH.M. Stationery Office, 1871 - 176 sider |
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Vanlige uttrykk og setninger
abatis advance angle arms artillery assault attack banquette baulks berm boats bridge brushwood butt camp caponier cavalry centre chevaux-de-frise clove hitch column command constructed contours counterscarp cover depth diameter diggers distance ditch earth embrasures enemy enfilade escalade escarp excavated exterior slope fascines feet long feet wide field fire foot front gabions glacis ground gun-cotton guns hachures half hitch height inches infantry interior intervals ladders laid lashing length Lith loopholes means measured military necessary non-commissioned officers obstacles obtained occupy officer paces parallel parapet party passed pickets pits placed Plate position possible powder protractor rafts rear reconnaissance reconnoitring redoubt relief revetment rifle river road-bearers roads roadway rods rope sand-bags sappers scale of shade secured shovel side sketch spars stockade superior slope tape thick timber tracing transoms traverse trench trestle troops Vincent Brooks wall wood yards
Populære avsnitt
Side 97 - The final clove hitch should never be made around the spar on the side toward which the stress is to come, as it may jam and be difficult to remove. The lashing must be well beaten with handspike or pick handle to tighten it up.
Side 97 - To lash a transom to an upright spar (fig. 77), transom in front of upright. — A clove hitch is made round the upright a few inches below the transom. The lashing is brought under the transom, up in front of it, horizontally behind the upright, down in front of the transom, and back behind the upright at the level of the bottom of the transom and above the clove hitch. The following turns are kept outside the previous ones on one spar and inside on the other, not riding over the turns already made....
Side 97 - A couple of frapping turns are then taken between the spars and the lashing is finished off with a clove hitch above the turns on one of the spars. The butts of the spars are then opened out and a sling passed over the fork, to which the block is hooked or lashed, and fore and back guys are made fast with clove hitches to the bottom and top spars, respectively, just above the fork (fig.