DENSITY OF SEA WATER.

Wanganui Herald, Volume XXXV, Issue 10501, 23 November 1901, Page 1 (Supplement)

DENSITY OF SEA WATER.

; Injtimes not long-ago it used to be thought that .the density of_sea>ater_

at a certain. jdepth must be so great that 'even foundered .ships would sink m o lowerT" v Tmd : writers,- taking^ their -imagination from » "warrant, have- pictured, a.jfrjgateriA^ttoßaMd^cttthomr down still'Buspended^in mid-abyss. lit that-serene,tJm»tioMl«ssi-oo«ch 'of w4fteri the yards might iswHig,' the sails hang, the captein,might"ibSß7 r> 9n,the > . brMge. and the ste'ersmsja aCthe wheel, M; lifelike in death as theifigurea.fap Mad-f-ame Tussaud's. -And "this ph)tota>dnal ( = ship might remain o tier"e^fdr^,,h.ei^en": knows how, long., of. the surveying ships, neither th«;Por-^ rapine, the Lightning," t%,ave*tig»&r, '• the Challenger, norfthe/J^Hcliii'.At" ' batross have^ever,' wiUL tte|r,«)ipi4ing t machines; ,- their thermometers, " *heir drags, or tangle-Hrs,'coia* i Wctobs' these ' submariae^fesseis, f or^the , rg«Son;that t they veie,',TLoii;-thtax. '3We ! i.»M, ll Bnch. Btufi as dream* are maderof/'^nd'thia'r was "a dreamt' t The pretturf. ** great ' ocean deptns'Jus gjeat.^btft^iM^ptesJFoie can allay the'denaity of, water. ; At the . mean depth -of the sea, about : 3^oo : yartol"^prfmsgn^crnii-'^fxm ta;^" the, .square" inch, I'aml'irt tiie'knprenie' depths more than twice as iquch«,;:But , a gallon of water at* the surface weighs - ratter more «fen^lWb.;»ndVg^flk*%t J : five miles deeptjyill weigh' 4 little lioie.' Therefore, material -that mQ'twdE-iat the top will 'sink to -the ibottomt. £ir l John Mnrray states' that the ohaU«^ng2 ! er's sounding-line sank a mile in taTßoutt aTßout nine minutes,-two miles in about twenty minutes, three 1 miles in thirty-flre' minnfes, and four 'miles %in'-nfty-fivii"~min'-'% in'-nfty-fivii"~min'-' ' utes; and' reached^tHe deepest sound- ' ing, a little over five- miles (4,576 fath-. . onis), in "an hour and • quarter. Oar- , phantasmal' frigate', or three-masted East Indian does not float even half-,, way down, .she. sinks to-the ocean .flpoKr, , and breaks npl- / -.:••-<■ - -' •;