Keywords: Frank Wesson Patent 36,925 - drawing1.jpg en Patent 36 925 36925 drawings of breech opening mechanism and slotted link for controlling opening of rifle Model shown is Frank Wesson two trigger commonly called tip-up model 2014-07-24 21 51 16 Original - US Patent Office 1862 http //www american-firearms com/american-firearms/z-patent/patent-W/Wesson 20Frank/36 925-drawing1 jpg Frank Wesson 1862 PD-USGov Uploaded with UploadWizard Drawings of firearms Early firearms Firearms manufacturers Patent drawings American Civil War |