Dahlgren, John

Dahlgren, John (Adolphus Bernard)

(1809–70) naval officer, inventor; born in Philadelphia. Classically educated, he joined the navy as a midshipman in 1826 and served in the Mediterranean; he served later as an assistant in the U.S. Coast Survey. From 1847 on, as ordnance officer at the Washington Navy Yard, Dahlgren experimented with naval weaponry; by 1851 the yard had begun to produce a cannon of his own design. His 11-inch Dahlgren smoothbore guns were carried aboard many U.S. warships, including the famous ironclad Monitor. As a rear admiral, he commanded the Union's South Atlantic Blockadina Squadron (1863–65) and was commandant of the Washington Navy Yard at his death.

单词	dahlgren, john
释义	Dahlgren, John Dahlgren, John (Adolphus Bernard) (1809–70) naval officer, inventor; born in Philadelphia. Classically educated, he joined the navy as a midshipman in 1826 and served in the Mediterranean; he served later as an assistant in the U.S. Coast Survey. From 1847 on, as ordnance officer at the Washington Navy Yard, Dahlgren experimented with naval weaponry; by 1851 the yard had begun to produce a cannon of his own design. His 11-inch Dahlgren smoothbore guns were carried aboard many U.S. warships, including the famous ironclad Monitor. As a rear admiral, he commanded the Union's South Atlantic Blockadina Squadron (1863–65) and was commandant of the Washington Navy Yard at his death.
随便看	smashing her face in smashing her head in smashing her in smashing her into smashing her through smashing her up patent ductus arteriosus (pda) patent ductus venosus patent duration patente patented patented claim patented medicine prices review board patented milk protein hydrolysate patentee patentees patent examination patent examination procedure patent fastener patent fee patent foramen ovale patent foramen ovale in cryptogenic stroke study patent french patent glazing patent hammer