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The United States Patent Office has issued more than 4,400 mousetrap patents. [3] The gun-powered mouse trap proved inferior to spring-powered mousetraps descending from William C. Hooker's 1894 patent. However, the 1882 patent has continued to draw interest–including efforts to reconstruct a version of it–due to its unconventional design. [4]
The Maynard carbine was a breech-loaded carbine used by cavalry in the American Civil War.The First Model was manufactured between 1858 and 1859. About 5,000 were made. In United States service it was distributed to the 9th Pennsylvania and 1st Wisconsin cavalry regiments, United States Marines aboard the USS Saratoga and the United States Revenue Cutter Service.
Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.
The .500 Linebaugh utilizes a bore diameter of .500" with the corresponding bullet diameter of .510", the same as the .50 BMG and other .50 caliber rifles, while the .50 Action Express, .500 S&W Magnum, and .500 S&W Special use .490" bore diameters and correspondingly smaller .500" bullet diameters. The smaller .500" diameter was further ...
The M1 ammo crate held a total of 1,000 belted or linked rounds packed in 4 M1 ammo boxes and the later M1A1 ammo crate held a total of 1,000 belted or 1,100 linked rounds packed in M1A1 ammo boxes. There were two .50 M2 ammo boxes to a crate (for a total of 220 belted or 210 linked rounds) with a volume of 0.93 cubic feet.
Image title: Patent # 269, 766 Improvement in Animal Traps by James A. Williams, 1882 Record Group 241 Selected Patent Files, 1840-1952 Records of the Patent and Trademark Office HMS Record Identifier 569160 HMS Asset Identifier HC1-94140081 HMS Folder Identifier HF1-107033944 ARC Identifier 1122319
A .50 caliber cartridge case with the Frankford Arsenal headstamp. Each round of ammunition was marked with the headstamp "F A" on its base, denoting that it was produced at the Frankford Arsenal. Early metallic cartridges produced at Frankford were not head-stamped. These were either Martin or Benet primed copper cases. Early cartridges were ...
The Model 1874 Sharps (this model had been in production since 1871) was a particularly popular rifle that led to the introduction of several derivatives in quick succession. It handled a large number of .40 to .50 caliber cartridges in a variety of loadings and barrel lengths.