Search results
Results from the WOW.Com Content Network
A commonly used model that illustrates the relationship between biological, individual, community, and societal determinants is Whitehead and Dahlgren's model originally presented in 1991 and subsequently adapted by the CDC. [8]
15-inch Dahlgren guns for the Russian version of the Passaic, the Uragan class, were produced at the new Aleksandrovsk gun factory in Petrozavodsk in Russian Karelia. [4] [5] [6] XV-inch Dahlgren shell gun (long or "Tecumseh"): 86 were cast by the Alger, Fort Pitt, and Seyfert, McManus & Co. foundries between 1864 and 1872 (Ten Brink 2000). [7]
Dahlgren system and dahlgrenogram, created by Swedish-Danish botanist Rolf M. T. Dahlgren (1932–1987) USS Dahlgren (TB-9) , Torpedo Boat No. 9/TB-9/Coast Torpedo Boat No. 4 6945 Dahlgren (1980 FZ3), Main-belt Asteroid discovered on March 16, 1980 by Lagerkvist, C.-
Dahlgren XV-inch shell guns for the US Navy were also hollow cast. A 20-inch hollow cast gun, which may not have been identical to the two guns supplied to the US Army , was sold to Peru . Rodman guns were cast at the Fort Pitt Foundry , Pittsburgh, Pennsylvania ; [ 2 ] [ 3 ] the Scott Foundry, Reading, Pennsylvania ; Cyrus Alger & Co., Boston ...
Dahlgren is an unincorporated community and census-designated place (CDP) in King George County, Virginia, United States. The population was 2,946 at the time of the 2020 census, [ 3 ] up from 2,653 at the 2010 census, [ 4 ] and up from 997 in 2000.
The US Navy Ordnance Department under Rear Admiral John A. Dahlgren awarded Wiard a contract to produce two 15 in (381 mm) rifled guns of about the same weight as the smoothbore XV-inch (381 mm) Dahlgren shell gun. Wiard was to be paid $10,750 in 1860s money for each gun. The result was probably one of the most complex guns ever cast in one piece.
John Adolphus Bernard Dahlgren (November 13, 1809 – July 12, 1870) was a United States Navy officer who founded his service's Ordnance Department and launched significant advances in gunnery. Dahlgren devised a smoothbore howitzer, adaptable for many sizes of craft and shore installations.
The Mark 1 guidance component included the Pendulum-and-hydrostat control device which was called the "Whitehead Secret". This version of the Whitehead torpedo lacked the gyroscope gear designed by Ludwig Obry, which was incorporated in a later Whitehead model, the Mark 3. The Mark 1 was launched from battleships and torpedo boats.