Farrow's military encyclopedia : a dictionary of military knowledge . ary bar-bette battery, and to tire as a mortar at an angle ofelevation of 15°. The carnage in its general cou- tlic gun, the center of the rack tieing at the intersec-tion of the axis of the trunnions with that of the cog-wheel engages in the teeth of the rack, and isoperated by two wheels on the outside of the cheeks,the same as in the sea-coast carriage. A graduatedarc is attached to the outside of the left cheek, justunder the tnmnion; an index about 11 inclies inlength is made fast to the left trunnion, and indicat
Farrow's military encyclopedia : a dictionary of military knowledge . ary bar-bette battery, and to tire as a mortar at an angle ofelevation of 15°. The carnage in its general cou- tlic gun, the center of the rack tieing at the intersec-tion of the axis of the trunnions with that of the cog-wheel engages in the teeth of the rack, and isoperated by two wheels on the outside of the cheeks,the same as in the sea-coast carriage. A graduatedarc is attached to the outside of the left cheek, justunder the tnmnion; an index about 11 inclies inlength is made fast to the left trunnion, and indicatesthe elevation of the gun. The means for checkingthe recoil, nmning the gun from battery, hoisting theallot, etc., are the same as in the other carriages forheavy guns. Hussm.—The 6-inch-mortar carriage representedin the drawing, as well as the 8-iuch, which differsfrom this only in the dimensions, were designed byColonel SemeuotT. It is composed of two cheeks ofboiler-plate 1 inch thick, connected by five bolts,with pipes, forming transoms, two above and three. stniotion is quite similar to that made for the sea-coast guns, wilh such moditications only as becamenecessary to fit it for the special service required of enable- tliechassislo resist the strain brougbl uponil in tiring at elevations of 75. the rails are made tolicar evenly fm four traverse-circles laid in the plat-form, placed at (•(|ual distances from <ach other. below. The tninnion-bcd is formed by re-enforcingthe hole cut in the iilate with a Hat piece of iron onthe outside and an angle-iron on the inside. Thetrunnion-bed is secured to this by means of rivetswith countersunk heads, and inside of the angle-irons are ballens, with screws on tlie end for hold-ing the cap-s(|uares. The lower edge of the clieek The rear traverse-wlieefs are mounted on eccentric i is re-enforced both on the inside and outside by UORTAR CABRIAGE8. 385 MORTAE CARRIAGES. angle-irons, nnd slind with a flat bar fnstoncd liyri
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Keywords: ., bookcentury1800, bookdecade188, booksubjectmilitaryartandscience
