A paper cartridge is one of various types of small arms ammunition used before the advent of the metallic cartridge. These cartridges consisted of a paper cylinder or cone containing the bullet , gunpowder , and in some cases, a primer or a lubricating and anti-fouling agent. Combustible cartridges are paper cartridges that use paper treated with oxidizers to allow them to burn completely upon ignition. Paper cartridges have been in use for nearly as long as hand-held firearms, with a number of sources dating their use back to the late 14th century. Historians note their use by soldiers of Christian I in , while the Dresden museum has evidence dating their use to , and Capo Bianco writes in that paper cartridges had long been in use by Neapolitan soldiers. Their use became widespread by the 17th century.
Mechanical feedback promotes bacterial adaptation to antibiotics
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