12 pounder mountain howitzer on display at Fort Laramie in eastern Wyoming

The twelve-pound cannon is a

cannon A cannon is a large-caliber gun classified as a type of artillery, which usually launches a projectile using explosive chemical propellant. Gunpowder ("black powder") was the primary propellant before the invention of smokeless powder during th ...

that fires twelve-pound

projectiles A projectile is an object that is propelled by the application of an external force and then moves freely under the influence of gravity and air resistance. Although any objects in motion through space are projectiles, they are commonly found i ...

from its barrel, as well as

grapeshot In artillery, a grapeshot is a type of ammunition that consists of a collection of smaller-caliber round shots packed tightly in a canvas bag and separated from the gunpowder charge by a metal wadding, rather than being a single solid projectile ...

chain shot In artillery, chain shot is a type of cannon projectile formed of two sub-calibre balls, or half-balls, chained together. Bar shot is similar, but joined by a solid bar. They were used in the age of sailing ships and black powder cannon to s ...

, shrapnel, and later shells and

canister shot Canister shot is a kind of anti-personnel artillery ammunition. It has been used since the advent of gunpowder-firing artillery in Western armies, and saw particularly frequent use on land and at sea in the various wars of the 18th and 19th cent ...

. It was first used during the Tudor period and was commonly used during the

Napoleonic Wars {{Infobox military conflict , conflict = Napoleonic Wars , partof = the French Revolutionary and Napoleonic Wars , image = Napoleonic Wars (revision).jpg , caption = Left to right, top to bottom:Battl ...

, 1799–1815. At this time 12-pounders were the largest caliber of long-barreled field pieces, and were used both at long range against fortifications and troop concentrations using round shot and against attacking infantry and cavalry using

. As such the 12-pounder was a favorite weapon of the

Grande Armée The (; ) was the primary field army of the French Imperial Army (1804–1815), French Imperial Army during the Napoleonic Wars. Commanded by Napoleon, from 1804 to 1808 it won a series of military victories that allowed the First French Empi ...

. Later, redesigned 12-pounders were named after Napoleon III and found heavy use during the

American Civil War The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...

. Twelve-pounders were also carried on naval vessels of various sizes. Unlike their land-based cousins, such weapons were considered light by naval standards. They formed the main armament of smaller frigates, and were used on the upper decks of larger vessels, where their relatively lighter weight would not be a problem. They were commonly found on the

quarterdeck The quarterdeck is a raised deck behind the main mast of a sailing ship. Traditionally it was where the captain commanded his vessel and where the ship's colours were kept. This led to its use as the main ceremonial and reception area on bo ...

of British

ships of the line A ship of the line was a type of naval warship constructed during the Age of Sail from the 17th century to the mid-19th century. The ship of the line was designed for the naval tactic known as the line of battle, which involved the two column ...

such as , though their main weapons were the larger 24- and 32-pound cannons, capable of shattering the hulls of enemy warships and killing the gun crews with a deadly shower of splinters. Another notable 12-pounder was the 4.62"-caliber bronze smoothbore

Mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...

Howitzer The howitzer () is an artillery weapon that falls between a cannon (or field gun) and a mortar. It is capable of both low angle fire like a field gun and high angle fire like a mortar, given the distinction between low and high angle fire break ...

, a 53-inch short howitzer capable of being disassembled and carried by three pack horses. It was introduced to the US military in 1837 and known as the M1841. During the Mexican War Lieutenant

Ulysses S. Grant Ulysses S. Grant (born Hiram Ulysses Grant; April 27, 1822July 23, 1885) was the 18th president of the United States, serving from 1869 to 1877. In 1865, as Commanding General of the United States Army, commanding general, Grant led the Uni ...

placed a howitzer in the belfry of a church and used it to shoot at Mexican forces defending

Mexico City Mexico City is the capital city, capital and List of cities in Mexico, largest city of Mexico, as well as the List of North American cities by population, most populous city in North America. It is one of the most important cultural and finan ...

Canon obusier de campagne de 12 modele 1853

In 1853, France introduced the

Canon obusier de 12 The Canon obusier de 12 (officially the "Canon obusier de campagne de 12 livres, modèle 1853"), also known as the "Canon de l’Empereur" ("emperor's cannon"), was a type of canon-obusier (literally "shell-gun cannon", "gun-howitzer") developed b ...

, a 12-pounder capable of using either shells, shot or canisters. Napoleon cannon remained in service during the

Victorian period In the history of the United Kingdom and the British Empire, the Victorian era was the reign of Queen Victoria, from 20 June 1837 until her death on 22 January 1901. Slightly different definitions are sometimes used. The era followed th ...

, seeing action in the

. By this time the

Parrott rifle The Parrott rifle was a type of muzzle-loading rifled artillery weapon used extensively in the American Civil War. Parrott rifle The gun was invented by Captain Robert Parker Parrott, a West Point graduate. He was an American soldier and inven ...

and newer, more powerful

Columbiad The columbiad was a large-caliber, smoothbore, muzzle-loading cannon able to fire heavy projectiles at both high and low trajectory, trajectories. This feature enabled the columbiad to fire solid Round shot, shot or Shell (projectile), shell to ...

s such as the

Rodman gun Drawing comparing Model 1844 8-inch columbiad and Model 1861 10-inch "Rodman" columbiad. The powder chamber on the older columbiad is highlighted by the red box. The Rodman gun is any of a series of American Civil War–era columbiads designed by ...

were being introduced. These fired shells and shot that weighed between 10 and 300 pounds, though the Napoleons remained the most common

field gun A field gun is a field artillery piece. Originally the term referred to smaller guns that could accompany a field army on the march, that when in combat could be moved about the battlefield in response to changing circumstances (field artillery ...

s in

Confederate A confederation (also known as a confederacy or league) is a political union of sovereign states united for purposes of common action. Usually created by a treaty, confederations of states tend to be established for dealing with critical issu ...

hands. Later 12-pound cannons included the

breechloading A breechloader is a firearm in which the user loads the ammunition from the breech end of the barrel (i.e., from the rearward, open end of the gun's barrel), as opposed to a muzzleloader, in which the user loads the ammunition from the ( muzzle ...

RBL 12-pounder 8 cwt Armstrong gun introduced in 1859,

Joseph Whitworth Sir Joseph Whitworth, 1st Baronet (21 December 1803 – 22 January 1887) was an English engineer, entrepreneur, inventor and philanthropist. In 1841, he devised the British Standard Whitworth system, which created an accepted standard for screw ...

's field guns and the boat howitzers invented by John A. Dahlgren and used by the Federal

navy A navy, naval force, military maritime fleet, war navy, or maritime force is the military branch, branch of a nation's armed forces principally designated for naval warfare, naval and amphibious warfare; namely, lake-borne, riverine, littoral z ...

during the Civil War.{{cite web , url=http://www.cwartillery.org/ve/dahlgrens.html , title=Just a moment , access-date=2007-10-26 , url-status=dead , archive-url=http://webarchive.loc.gov/all/20060330014403/http://www.cwartillery.org/ve/dahlgrens.html , archive-date=2006-03-30

References

Cannon Artillery of the Napoleonic Wars 18th-century weapons American Civil War artillery fr:Canon de 12 livres

See also

References