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Extremely Rare Bronze Model 1835  12 Pound Mountain Howitzer

Manufactured by:

 Cyrus Alger in 1859 

Almost impossible to find in this fine condition.

 Original Bronze 12  pound Mountain Howitzer


Breech: 219 (Weight)

Muzzle: 17(?) = Army Registry Number (Looks like it took a bullet hit!)

Muzzle-Inspector: T.J.R (Thomas J. Rodman - 1841-71)

Left Trunnion: 1859 = Manufacture date

Left Trunnion Rim base: # 689

Right Trunnion:  C.A. Boston = Cyrus Alger & Co., Boston Mass

Weight: 220 lbs.

Barrel Length: 37 inches

Bore:  4.62 inches

Range: 900 yards



1835 Drawing of 12 pound Mountain Howitzer

Includes the five cannon balls and wood stand.

Sorry - Sold in one day!

The photos below is after our buyer added a carriage!

Original Civil War 12 pound Mountain Howitzer

Original 1861 Cyrus Alger Naval Type Cannon

Dating from the start of the U.S. Civil War!

Manufactured in Boston, Mass.

This fantastic original iron cannon is 143 years old and was made by Cyrus Alger and Company in Boston, Mass. in 1861. 

This is an EXTREMELY rare Civil War cannon with only 930 Alger cannons known to exist out of  the listing provided by Civil War artillery historian, Wayne Stark, who created and maintains the "National Register of Surviving Civil War Artillery" containing 5,670 known total Civil War cannons.


  Barrel Length: 57 inches

   Bore: 2 5/8 inches

Diameter at the Breech: 10 inches

Muzzle Diameter:  6 inches

  Estimated weight: 680 pounds (Marked) - not including the carriage.

The Alger foundry number above - 261.

The Naval carriage is modern construction (Custom built in the 1960"s).


Weight Marking (On Left) 

  Range screw is NOT an original - but made from a Model "T" Ford tire jack.


Cyrus Alger & Co.: Cyrus Alger, who during the War of 1812 furnished the government with shot and shell, in 1817 started South Boston Iron company which at an early date was known locally as Alger's Foundry and later became Cyrus Alger & Co. The Massachusetts firm was a leading cannon manufacturer and when Cyrus died in 1856, leadership was assumed by his son, Francis, who piloted the company until his death in 1864. During the war, both Army and Navy were supplied with a large numbers of weapons. The initials "S. B. F." (South Boston Foundry) occasionally may be found on cannon, but the signature is traditionally "C.A. & Co., Boston, Mass." or, rarely, "C. Alger & Co., Boston, Mass." like this one.

 $31,950 US$

Sorry - Sold

Cyrus ALGER, inventor, born in West Bridgewater, Massachusetts, 11 November 1781; died in Boston, 4 February 1856. Early in life he became an iron-founder, and established his business in Easton, Massachusetts. In 1809 he removed to South Boston, where he founded the works that since 1817 have been known as the South Boston iron company. He supplied the government with large numbers of cannon-balls during the war of 1812, and his works became famed for the excellent ordnance there manufactured. He was one of the best practical metallurgists of his time, and his numerous patents of improved processes show continued advance in the art practiced by him. The first gun ever rifled in America was made at his works in 1834, and the first perfect bronze cannon was made at his foundry for the United States ordnance department. The mortar " Columbiad," the largest gun of cast iron that had then been made in the United States, was cast under his personal supervision. Mr. Alger also devised numerous improvements in the construction of time fuses for bomb-shells and grenades.

Additional Information will be posted here shortly!

Civil War Collectors Encyclopedia by Francis A. Lord  Vol 1

 "CANNON MANUFACTURE:  At the start of the war, all artillery pieces were made at privately-owned foundries and afterwards inspected and proved by Ordnance Department officers detailed for the purpose. The foundries making cannon in 1860 included Algers Foundry (near Boston).

 All cannon were required to be weighed and marked as follows:  The number of the gun, and the initials of the inspector's name, on the face of the muzzle; the numbers in a separate series for each kind and caliber at each foundry; the initial letters of the name of the founder and of the foundry, on the end of the right trunnion; the year of fabrication on the end of the left trunnion; The foundry number on the end of the right rim base, above the trunnion; the weight of the piece in pounds on the base of the breech; The letters "U.S."  on the upper surface of the piece, near the end of the reinforce"


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Last up-dated on 01/06/2012


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