Hygienic and medical reports / by medical officers of the U.S. Navy ; prepared for publication ... by Joseph B. Parker, assistant to the Bureau.

Date:
1879
Catalogue details

Licence: Public Domain Mark

Credit: Hygienic and medical reports / by medical officers of the U.S. Navy ; prepared for publication ... by Joseph B. Parker, assistant to the Bureau. Source: Wellcome Collection.

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    impossible to obtain any space on board at all desirable for the treatment of cases of serions illness. Foreign men-of-tvar.—In Jnne last, while in the harbonr of Lisbon, Portugal, an opportunity was aftbrded to visit the Eug- lisli ar]nour-i:>lated scrcAv vessel-of-war Sultan, wliich, with live other powerful iron-clads, constituted the Channel Squadron at that time. The Sultan is considered the most modern of English war- vessels, and is said to embody all of the most recent improve- ments in naval architecture. She is 320 feet long, 30 feet l)eam, 9,286 tons displacement; indicated horse-power of engines 8,020; maxinnim attained speed at sea 1 knots per hoitr. She (tar- ries on her spar-deck 4 ritle nmzzle-loading guns, 12 tons each; two of them are in the forecastle and train forward, the other two are located amidships and can be trained either fore or aft. They cross fire at 300 yards. On tlie main deck is a battery of 8 guns, of 18 tons each; 4 are placed on each side, abreast the main-mast. This battery is protected by iron plating 12 inches thick, backed by 10 inclies of teak, extending from the ham- mock-rail to below the Avater-line, and over about tAvo-thirds of the length of the vessel's side. Tlie remaining one-third is covered with j)lating varying from 4 to 8 inches in thick- ness, thickest at the w^ater-line. The decks are made of |-inch iron, coA^ered with Avood, and supported by iron beams. The main or gun deck is divided into 8 Avater-tight compartments. Pumps are affixed to each of them, by Avhich water can be pumped in or out. Some of the immps can be worked by steam. The loAver compartments are all Avell \'entilated hy means of hatchways, air-shafts, and holloAv masts. The body of the ship, that is, the part beneath the battery, engine and fire rooms, has a double bottom. The inner bottom is about 4 feet from the outer one. It is supported by iron ribs and braces or keel- sons that diAide the intervening space into cubes, measuring