Explosives . rains splitting in consequence ofgreat pressure inside them they are cut into short lengths. The thickness or diameter of a powder -In uld be such that it is entirelyuned shortly before the projectile reaches the muzzle. The relative rate of burning of the powder charge at different instantscan also be regulited by submitting the explosive to an operation, wh.>.. 1913, p. 32; also . p. 4<».. fc o in o a. C ft5 se go 313 314 EXPLOSIVES not only restrains the initial velocity of ignition but too facilitates the Loadingfrom loading mach:y ......., i.. There has been considerabl
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Explosives . rains splitting in consequence ofgreat pressure inside them they are cut into short lengths. The thickness or diameter of a powder -In uld be such that it is entirelyuned shortly before the projectile reaches the muzzle. The relative rate of burning of the powder charge at different instantscan also be regulited by submitting the explosive to an operation, wh.>.. 1913, p. 32; also . p. 4<».. fc o in o a. C ft5 se go 313 314 EXPLOSIVES not only restrains the initial velocity of ignition but too facilitates the Loadingfrom loading mach:y ......., i.. There has been considerable as i tin- relative advantages and ine r. wMtt disadvanl ges E niteo-eeflnlose and nitro-glycerine powders. The advantages2^ pow- c}ajnit.(} f, , , . , ere are that they give more regular ballisl do _ back-flash when fired, are more powerful, are cheaper to manu- facture, leave L ie in the gun. and have at least - good chemical stability as nitro-eellulose powders. Their great disadvanf _ that! the temperature of explosion i- high, and consequently thi . of the bite of the fact that they erode the guns more, most of the Powersglycerine powders in their Large guns, and the principal reason forthis is that they give m _ ilar ballistics. It i- impossible to drive tin- whole of the solvent out of a colloided nitro-eelluL the drying he greatly prolonged,