Statistics for occurrence #1 of “Gustavus Adolphus” in chapter 10 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery.:
...revious to this time, because it was assumed that all the powder in a charge was converted instantaneously into gas.
Powder and ball for small arms were originally carried loose and separately.
Gustavus Adolphus , King of Sweden, first made an improvement by providing separate receptacles for each powder charge; these were called cartridges (Latin carta, or charta) from their paper envelopes.
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