1-BarrelGardnerGunDrawingScientificAmerican19April1884.jpg
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1 BarrelGardnerGunDrawingScientificAmerican19April1884, Scientific American (1884), Gardner gun
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1 BarrelGardnerGunDrawingScientificAmerican19April1884, Drawing of single-barrel Gardner machine gun.
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1バレルガードナー銃
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1 バレルガードナー機関銃の引き渡し
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single-barreled gun barrel single supplement