Drawing of Improvement in Projectiles for Rifled Ordnance - NARA - 4531663.jpg
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Drawing of Improvement in Projectiles for Rifled Ordnance NARA 4531663, US National Archives series: Utility Patent Drawings, Images from the National Archives and Records Administration, US National Archives location: other, Drawing of Improvement in Projectiles for Rifled Ordnance
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ライフル兵器用発射体改良図 NARA 4531663、米国国立公文書館シリーズ: 使用特許図面、米国国立公文書館管理局画像: 別の、ライフル兵器用投射体の改良図面
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rifled