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	John A. Dahlgren - Wikipedia, the free encyclopedia
		Dahlgren himself took charge of the Washington Navy Yard in 1861, and in 1863 took command of the South Atlantic Blockading Squadron.
		Admiral Dahlgren's son, Colonel Ulric Dahlgren, was killed during the Civil War in a cavalry raid on Richmond, Virginia, while carrying out an alleged assassination plot against Jefferson Davis.
		In 1865, Dahlgren married Madeleine Vinton, daughter of Congressman Samuel Finley Vinton and Romaine Madeleine Bureau, and the widow of Daniel Convers Goddard, first Assistant Secretary of the newly-created U.S. Department of the Interior.
	en.wikipedia.org /wiki/John_A._Dahlgren (727 words)

	Dahlgren
		Dahlgren was established in 1918 as the Naval Proving Ground, and named Dahlgren in honor of Rear Admiral John Adolphus Dahlgren, who is considered the father of modern naval ordnance.
		Dahlgren is located in Virginia's historic Northern Neck, approximately 23 miles east of Fredericksburg, Virginia; 68 miles south of Washington D.C.; and 55 miles north of Richmond,Virginia between the Potomac and Rappahannock Rivers.
		Bounded on the north by the Potomac River and on the South by the Rappahannock River, the county was formed from Richmond County in 1720 and renamed in honor of King George 1.
	www.globalsecurity.org /military/facility/dahlgren.htm (1656 words)

	Dahlgren Guns
		Though Dahlgren designed several classes of guns, he is best known for the massive smoothbore iron canon cast in the distinctive "soda bottle" shape that provided extra-thick walls at the breech of the gun.
		The first Dahlgren-designed canon was the 9-inch gun produced in 1850; it was followed by an 11-inch version the next year.
		Dahlgren guns were very effective weapons against ships and coastal fortifications and were placed on many of the new federal ironclads; the Monitor used two 11-inch Dahlgrens during its battle with the Merrimack in Hampton Roads, VA.
	civilwar.bluegrass.net /ArtilleryAndArms/dahlgrenguns.html (323 words)

	The Central Maryland Heritage League Land Trust - The Dahlgren Family
		Sarah Madeleine Vinton Dahlgren, was the daughter of Congressman Samuel Finlay Vinton of Ohio.
		Rear Admiral Dahlgren, U.S.N., a close confidant of President Lincoln, invented the Dahlgren Gun used by the U.S.S. Monitor in its battle with the Merrimac.
		John Vinton Dahlgren, John and Madeleine's son, was is in the Georgetown class of 1889.
	www.cmhl.org /dahlgren.html (260 words)

	Armament
		This method produced a gun wherein the inner layers were under considerable contraction, thus being very superior to the unchilled cast guns which so often burst during firing.
		The Columbiad was of the class called sea-coast Cannon, and combined in itself the qualities of the gun, howitzer, and mortar: in other words, it is a long-chambered piece of ordnance, having the capacity to project shot or shell, with heavy charges of powder, at high angles of elevation.
		For smoothbore guns, the projectile was strapped to a wooden plate (sabot), which stabilized it as it moved down the barrel and prevented it from tumbling through the air.
	www.globalsecurity.org /military/systems/ship/steam6.htm (3933 words)

	Artillery Glossary D-E Terms
		DAHLGREN GUN: The Dahlgren guns of large caliber are made of cast-iron, solid, and cooled from the exterior.
		Guns are permanently disabled by bursting, bending the chase, breaking off the trunnions, or by scoring the surface of the bore; they are temporarily disabled by spiking, breaking off the sights and the seat for the hausse, or in breech-loaders by carrying off or permanently destroying the breech-blocks, etc.
		The endurance of a smooth-bore gun with service-charges may be surely predicted by observation of the progressive wear of the interior orifice of the vent.
	www.civilwarartillery.com /glossary/glossaryde.htm (10306 words)

	USS Dahlgren DLG-12; My USN Years - ETCS Andrew H. Barr, United States Navy, Retired
		Dahlgren was like moving from Arleigh Burke to James T. Kirk; from the "Little Beavers" to Star Fleet - USS Enterprise (CV-6 and CVA(N)-65) to USS Enterprise (NCC-1701).
		PNSY - Dahlgren being new, there were loading details (much like Badger) - equipment, gear, tackle, supply, this, that, etc. There were organization and procedures to address and maintenance and battle criteria to write - and sea trials to complete.
		John Adolphus Dahlgren, born 13 November 1809 in Philadelphia, Pa., was appointed a midshipman 1 February 1826, and early became interested in the problems of ordnance.
	members.cox.net /ironbarr3/dlg12.htm (773 words)

	Rear Admiral John A.B. Dahlgren of the Union Navy
		Dahlgren was the son of Bernhard Ulrik Dahlgren, a merchant and Swedish Consul in Philadelphia, Pennsylvania.
		Dahlgren weapons are usually divided into 3 groups - bronze boat howitzers and rifles, iron smoothbores, and iron rifles.
		Dahlgren was a Lieutenant when he was assigned to the ordnance department at the Washington Navy Yard.
	www.mycivilwar.com /leaders/dahlgren_john.htm (629 words)

	Fredericksburg.com - Aiming HIGH
		But with a specialized lab built at Dahlgren in 1998, NSWC engineers didn't even have to leave their desks to prepare a detailed report on how all five battle groups in the Persian Gulf would be able to work as more than just the sum of their parts.
		Dahlgren is also indirectly responsible for the jobs of about 3,000 contractors who work on base and many others who don't have badges to work on base but support those who do.
		Today, Dahlgren has evolved into a research facility for solving all sorts of complex technological problems for troops on the front lines, and certifying that complicated systems work as they are meant to before they are used in war.
	www.freelancestar.com /News/FLS/2003/072003/07212003/1034880 (3105 words)

	Engineer Journal of the Bombardment of Fort Sumter
		It is situated between the end of the jetty and the steamboat wharf, where, evidently distrusting her qualities as a floating battery intended to breach the gorge wall at short range, she has been run on shore at high water, and, being left by the receding tide, has become a fixed battery.
		Her position gives her the advantage of sweeping with her guns the whole of the left flank of the fort, and thus rendering it impossible for any vessel with supplies to lie anywhere along this flank, while the breakwater in front protects her from our ricochet shots.
		The guns that bore on the three batteries on the west end of Sullivan's Island were ten 32-pounders, situated on the left face, and one at the pan-coupé of the salient angle (four embrasures being bricked up).
	www.civilwarhome.com /fosterftsumter.htm (4335 words)

	Sixteen-inch Naval Gun (Site not responding. Last check: 2007-10-26)
		The gun formerly rode aboard the battleship USS New Jersey, BB-62, during World War II and the Korean War, and was subsequently fired at Dahlgren for research, development, testing, and evaluation purposes.
		The nomenclature “16-inch/50 caliber” means that the gun fires a shell which is 16 inches in diameter, and the length of the bore is 50 times its diameter (50 X 16 inches; over 66 feet).
		At Dahlgren the gun fired another 214 rounds in testing and support when the Navy was rebuilt back up to support four Iowa-class battleships.
	home.earthlink.net /~azirkle/ZDAHL01.html (469 words)

	NORFOLK NAVAL SHIPYARD (Site not responding. Last check: 2007-10-26)
		These smoothbore shell guns were the most reliable Navy cannon prior to, and during, the Civil War; only one was reported to have burst.
		One of Dahlgren's early designs was the bronze light smoothbore boat howitzer intended for launches of sloops-of-war, cutters, and as fieldpieces to be used in amphibious operations.
		This smoothbore gun was the most common army field piece during the Mexican War and at the beginning of the Civil war.
	www.nnsy1.navy.mil /History/CWG.HTM (2748 words)

	John A. Dahlgren
		In January 1847, Lieutenant Dahlgren was assigned to ordnance duty at Washington, although he desired, and made an effort to obtain, active duty at sea.
		Commander Dahlgren hastened to secure the only route left to the capital by the Potomac River, and, when Alexandria was seized, he moved down the left wing of the column under Colonel Ellsworth.
		His son, Ulrie Dahlgren, was born in Buckscounty, Pennsylvania, in 1842, and died near King and Queen's Court-House, Virginia, 4 March 1864, and removed to Washington with his father in 1848.
	www.americanrevwar.homestead.com /files/civwar/dahlgren.html (1348 words)

	1862NavalComms_Chap_I
		On the contrary, we had sights on the guns, sometimes on the muzzle-ring, answering to the forward sight of the rifle, and sometimes tubes were laid along the gun, and capable of being adjusted to suit the range.
		The Dahlgren gun differs from ordinary cannon only in that the metal is taken from the forward part of the piece and put around the breech.
		The casting of so large a mass as a gun that should be capable of throwing one hundred or two hundred pound shot, and yet have it, in the cooling process, retain its strength, was very difficult.
	www.navyandmarine.org /ondeck/1862NavalComms_Chap_01.htm (3031 words)

	Dahlgren
		Dahlgren joined the Atlantic Fleet for exercises and training along the east coast, in Mexican waters, off Guantanamo Bay and in the Canal Zone.
		Dahlgren sailed out of Norfolk and Newport on patrols and escorted submarines in their training, and from January to 1 April 1941 she served in the Patuxent River, Md., in experiments in ordnance and submarine detection.
		On 11 January 1945, Dahlgren arrived at Charleston, S.C. to operate with submarines in training until 1 March, when she was reclassified AG-91.
	www.history.navy.mil /danfs/d1/dahlgren-ii.htm (587 words)

	CO SG-003 (Site not responding. Last check: 2007-10-26)
		John A. Dahlgren of the US Navy and Thomas J. Rodman of the US Army got together and actually revolutionized the smoothbore cannon for use as heavy large caliber siege and naval guns.
		The solid shot used could pierce a ship's armor, and the gun was also capable of firing grapeshot, creating a "spraying" effect, when fired up to 300 yards and capable of inflicting much damage.
		Dahlgren guns were also used by the south and were on the CSS Virginia.
	www.milminwh.com /co_sg-003.htm (163 words)

	Ordnance Plans from the National Archives:
		Sht 1: 20 pdr Bronze to XI" Shell Gun; 20 pdr Parrott to 150 pdr.
		Sht 1: 8" of 63 cwt to 100 pdr Parrott; 50 pdr Dahlgren to 60 pdr Parrott,.
		Irons for 12-pounder gun and 24-pounder Howitzer carriages
	www.marylandsilver.com /ordnance.htm (1391 words)

	The official USS Dahlgren DLG-12 / DDG-43
		The first three ships (Farragut, Luce, and Macdonough) were ordered in 1956 as DL-6 through DL-8 to an all-gun design.
		The second three ships (Coontz, King, and Mahan) were ordered at the same time as DLG-1 through DLG-3 to gun and missile design.
		During construction the decision was made to build all six to the gun and missile (Coontz) design.
	www.ussdahlgren.com (401 words)

	John Adolphus Bernard Dahlgren by the Mathew Brady Studio
		At the start of the Civil War, Lieutenant John A. Dahlgren was commanding the Washington Navy Yard, where for more than a decade he had been developing guns for the U.S. Navy’s ordnance department.
		Dahlgren is best remembered for designing a heavy, smoothbore, muzzle-loading gun called the Dahlgren gun.
		Dahlgren’s forces succeeded in silencing Confederate batteries on Morris Island and at Sumter and in securing a safe anchorage for the monitors inside the bar.
	www.civilwar.si.edu /navies_dahlgren.html (175 words)

	USS Harvest Moon - Adm John A. Dahlgren (Site not responding. Last check: 2007-10-26)
		Born in 1809, John Adolphus Dahlgren became a Midshipman in 1826.
		In 1850 he urged construction of frigates armed entirely with heavy guns, anticipating the dreadnoughts of the next century.
		A blue-water sailor as well as a scientist, Admiral Dahlgren brilliantly commanded a powerful naval force through 2 years of arduous wartime service, leaving behind him an example of productive study and gallantry in action.
	members.aol.com /waltesmith/dahlgren.htm (295 words)

	Artillery Encyclopedia - Dahlgrens
		The tube pictured here is actually a 4.4-inch Sawyer rifle made from a 32-pounder Dahlgren gun block, the only known survivor with Dahlgren's original 32-pounder profile designed in 1855.
		While a 5.1-inch (50-pounder) Dahlgren rifle, a 6-inch (80-pounder) Dahlgren rifle, a 6.4-inch (100-pounder) Dahlgren rifle, a 7.5-inch (50-pounder) Dahlgren rifle, and an 8-inch Dahlgren rifle were also designed and some made, none proved as successful as Dahlgren's shell guns.
		Period photographs of Dahlgrens from the Monitor, Kearsarge, and Pawnee are reproduced on the Famous Guns page.
	www.cwartillery.org /ve/dahlgrens.html (812 words)

	1st Artillery
		The HMS Nancy Gun Crew uses a 3/4 scale 6lb.
		Dahlgren gun with limber, similar to the Mountain Howitzer
		The gun could fire shell (exploding ball filled with a seven ounce powder charge) and
	mywebpage.netscape.com /ucvro/artillery.html (135 words)

	FAMCC Press Release
		From 1960, it was displayed at Dahlgren as a reminder of the base's namesake and the base's continuing commitment to Navy combat readiness.
		Considered one of the safest guns ever made, the Dahlgren gun boasted a range of almost 4,500 yards and could accurately fire rifled projectiles as well as ball and canister shot.
		The gun is being loaned to the Fredericksburg Area Museum & Cultural Center by the Dahlgren Division of the Naval Surface Warfare Center, by permission of the Naval Historical Center.
	www.famcc.org /dahlgren_gun_pr.html (370 words)

	Fredericksburg.com - Civil War gun still a thrill for visitors
		The 8,300-pound, 9-inch smoothbore "Dahlgren gun," named after its designer, Rear Adm. John A. Dahlgren, has been stopping downtown tourists and shoppers in their tracks since it was loaned to the museum by the Naval Historical Center in 2003.
		The gun came off the ironclad CSS Virginia, which was originally a wooden warship named the USS Merrimac.
		The gun now on display in the museum was not fired in that famous battle due to the damage suffered the previous day.
	fredericksburg.com /News/FLS/2006/032006/03102006/174359 (1095 words)

	TB-9 DANFS (Site not responding. Last check: 2007-10-26)
		Dahlgren, torpedo boat No. 9, was launched 29 May 1899 by Bath Iron Works, Bath, Maine; sponsored b, Mrs J. Dahlgren, daughter-in-law of Rear Admiral Dahlgren; and commissioned 19 June 1900, Lieutenant M. Signor in command.
		Assigned to the Atlantic Torpedo Fleet, Dahlgren operated out of Portsmouth, N.H., and Newport, R.I., developing tactics for her new type of ship and training crews until 20 October 1900 when she returned to Portsmouth and was placed out of commission for repairs and alterations.
		After being fitted for minesweeping, Dahlgren was placed in full commission 1 April 1917 and served on escort and harbor entrance patrol at Norfolk until 6 December 1917.
	www.hazegray.org /danfs/destroy/tb9.htm (432 words)

	[No title]
		While he ranks with the foremost contributors to the American naval tradition and is known as the ‘father of American naval ordnance’, personal conflicts and the lack of major victories at sea nearly obscured his historic legacy.
		He achieved this reputation largely for inventing the Dahlgren gun, the most powerful and reliable naval cannon of its day and the standard armament on Union warships.
		Drawing on Dahlgren's meticulously kept diaries and records and recently uncovered family papers, author Robert Schneller describes with a biographer's sensitivity and a historian's perspective the admiral's many technical triumphs as well as the plots, duels, intrigues, and betrayals that plagued Dahlgren's life.” Currently in print at $37.95.
	www.scuttlebuttsmallchow.com /dahlgren.html (257 words)

	Admiral John A. Dahlgren
		Born in Philadelphia on November 13, 1809, John Adolphus Bernard Dahlgren was the son of the Swedish consul in that city.
		In 1836, Dahlgren was almost blinded as a result of observing a solar eclipse.
		Lincoln successfully persuaded Congress to pass a special act legalizing Dahlgren's appointment to the yard, and, in July 1862, Dahlgren was promoted to the rank of captain and made chief of the Bureau of Ordnance.
	www.pa-roots.com /~pacw/officers/dahlgren.htm (466 words)

	Naval Surface Warfare Center, Dahlgren Division
		The Dahlgren Division comprises three major sites: Naval Surface Warfare Center, NSWC Dahlgren in Dahlgren, Virginia; NSWC Panama City in Panama City, Florida; and the NSWC Dam Neck at Dam Neck in Virginia Beach, Virginia.
		The Naval Surface Warfare Center Dahlgren Division was established on October 16, 1918 as the United States Navy's chief proving ground for large-caliber guns.
		The Dahlgren Division of the Naval Surface Warfare Center is a premier naval scientific engineering institution with a tradition of excellence.
	www.nswc.navy.mil (533 words)

	IMAGES-CSS Virginia Home Page
		One of the Virginia's guns damaged in its fight with the Cumberland.
		Rear Admiral John A. Dahlgren standing by a Dahlgren gun on deck of U.S.S. Pawnee in Charleston, SC, between 1860 and 1865.
		An image of a gun port of the USS Monitor (at the bottom of the ocean).
	cssvirginia.org /vacsn2/images (1412 words)

	MADELEINE VINTON DAHLGREN PAPERS: FOLDER LISTING
		Article describes the occasion of an address given by Charles Bunker dahlgren to the members of Post 2 G.A.R. concerning the invention and use of the Dahlgren gun.
		Charles Bunker Dahlgren was the son of JAD and Mary Bunker, the latter's first wife.
		Dahlgren because she had not previously extended to him a social consideration or courtesy he deemed his due." Masson (1866-?) was an author, literary editor for Life magazine from 1893-1900 and a managing editor thereafter.
	www.library.georgetown.edu /dept/speccoll/fl/f122}1.htm (4479 words)

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