. Report of the fifty-fourth meeting of the British Association for the Advancement of Science [microform] : held at Montreal in August and September 1884. Congresses and conventions; Science; Congrès et conférences; Sciences. 8G8 iiKroUTâ1884. 9. Oil the rclatice Divii/ers of Coal mul }M>., F.( IlefmTinjr to a sfalistionl taldo piililif-lictl in ilio rcpovtg of tlic inspoftors of mines for the year IHS.'l, tlic author pointed out tliaf the "jrnrea ^riven lor tIn- unnMiil (h'tith-nites from nccidonlH at mines uiuler the ('oul .Mines lleirnliition Act and .Metaiiiferoiis .Mines If
. Report of the fifty-fourth meeting of the British Association for the Advancement of Science [microform] : held at Montreal in August and September 1884. Congresses and conventions; Science; Congrès et conférences; Sciences. 8G8 iiKroUTâ1884. 9. Oil the rclatice Divii/ers of Coal mul }M>., F.( IlefmTinjr to a sfalistionl taldo piililif-lictl in ilio rcpovtg of tlic inspoftors of mines for the year IHS.'l, tlic author pointed out tliaf the "jrnrea ^riven lor tIn- unnMiil (h'tith-nites from nccidonlH at mines uiuler the ('oul .Mines lleirnliition Act and .Metaiiiferoiis .Mines Ife^rulatioii Act, viz., â J-j:\ ami I'tfJ jier ^espectivdv. do not convey a correct idea of tim relative -('rH of tlie two of miiie,-! hecauso the projiortion of tlie snrfiu e vvorliers with a small risk is twice asjrrent in the metalliferous mines as iu the coal mine>. A true estimate can only he I'onind l)y comparin;,' tlio iVom accidents anmn^,' the unileri:roiin<l worker.^, 'i'lio avera<,'e annual mortality from accidents Inr tho ton years 1M7 I to IHH.'i then lie- comes 'JT)') per at mines under the ('oal .Minew .\ct and l''.")S nt mines under tho Metalliferous .Mines Act ; couse((iiently the relativo daiifj'ers are expressed hv tile ratio HI to 47, insteail of .'1 to 2, as appears to be tho case when the surliuv hands and accidents are included. The author also showed that thoufrh the Coal Mines I'eMnlntinn Ai't inchidi'- mines worked for ironstone, slate, and lirecday, tho fjreneral conclnsimi would nm he vitiated because the largest ironstone mines, tliose in theCleveland district, Ihim' a deatli-ratt! which is hiirlier than the average of tho mines under this .\ct. His P'Ueral conclusions were that an averap* coiil mine is very little more <lani;vrniH than an avera^'t! metal mine, and that certain mines worked for motids, such ii< in the Cleveland district, and the tin and copper mines of Cornwall, are cirni
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1885
