“Improvement in Cartridges for Cannon” Drawing from Willis E. Moore’s patent for an “Improvement in Cartridges for Cannon, etc.,” April 28, 1863.National Archives, Records of the Patent and Trademark Office

“Improvement in Cartridges for Cannon”


Drawing from Willis E. Moore’s patent for an “Improvement in Cartridges for Cannon, etc.,” April 28, 1863.

National Archives, Records of the Patent and Trademark Office