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Rocket Ball
The Rocket Ball was one of the earliest forms of metallic cartridge for firearms, containing bullet and powder in a single, metal-cased unit.〔(【引用サイトリンク】title=Leverguns, A Short History )〕 ==Construction== The Rocket Ball, patented in 1848 by Walter Hunt, consisted of a lead bullet with a deep hollow in the rear, running a majority of the length of the cartridge. The hollow, like that of the Minie ball, served to seal the bullet into the bore, but Rocket Ball put the cavity to further use. By packaging the deep cavity with powder, and sealing it with a cap with a small hole in the rear for ignition, the Rocket Ball replaced the earlier paper cartridge with a durable package capable of being fed from a magazine. The cap was blown out of the bore upon firing. The Rocket Ball was used magazine fed lever action guns, allowing the first easily manufactured repeating single chamber firearms.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Rocket Ball」の詳細全文を読む
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