This revision, which supersedes Ordnance Pamphlet No. 4 of September 1923, covers instructions governing the care, preservation, stowage, inspection, and test of service explosives, and general information about ammunition. The 20 chapters cover all major categories of naval ammunition — from black powder and smokeless powder propellants through high explosives, detonating substances, projectiles, cartridge cases, fuzes, primers, and pyrotechnic materials — along with procedures for examination, testing, and stowage aboard ship.
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