114 



J. HOPEINSON — KELATIVE ADVANTAGES 



Table II. — Hardness of the Water supplied to London 



THROUGHOUT THE TEAR 1892, IN GRAINS PER GALLON. 



( Compiled from the Official Reports ' On the Composition and 

 Quality of Daily Satnples of Water supplied to London.^) 



Month. 



January .. 

 February .. 



IMarch 



April 



May 



June 



July 



August 



September 

 October .. 

 November 

 December 



Year 



A 





17-32 

 16-38 

 16-73 

 14-94 



1 5 00 

 1428 



1377 

 14 26 

 14-07 

 15-10 

 17-42 

 18-58 



15-65 



a 

 o 



o 



a 



CO S 



ci O 



18-63 



17-43 

 17-89 

 15-94 

 15-78 

 14-42 

 13-50 

 14-05 

 13-26 

 I40I 

 18-63 

 1984 



(X) ro 



% a 



-a o 

 00 



16-II 



16-03 



16-57 

 i6-io 



14-53 

 14-98 

 13-35 

 13-65 

 I4'ii 



13-49 

 14-89 



17-74 

 18 00 



15-29 



a 



ci 



S 

 o 

 O 



16-73 

 16-73 

 16-26 

 14-94 

 15-52 

 13-55 

 13-14 



12 79 

 12 04 

 12-84 



15-47 

 17-16 



14-76 



d o 



17-63 

 16-41 

 16-38 



15-05 

 1505 

 1448 



13-79 

 13-00 

 13 00 



1309 

 16-25 



17 79 



15-16 







^ d 



-go 

 2§ 



17-10 

 16-40 

 16-31 



1505 

 14-84 



14-21 



13-50 

 13-17 

 1249 



1259 

 1594 

 17-69 



14-94 



<^ 6 



O Co 

 V2 r- 



17-03 



1673 

 16-68 



14-84 

 15-00 



13-73 

 13-39 

 13-50 

 13-05 

 1306 

 16-05 

 17-84 



15-07 



be 



n 



> 



17-21 

 16-66 

 1662 

 1504 

 15-17 

 14-00 



13-53 

 1355 



1 3 06 



13-65 

 16-80 



1813 



15-28 



Table III. — Mean Annual Death-rate per 1,000 in 1882-91, in 

 26 large Towns in England, with the Population in 1891. 



( Compiled in part from Tables in the Appendices to the ' Report of 

 the Royal Commission on Metropolitan Water Supply,^ p. 347.) 



London ("Greater London"), with a population of 5,633,806 and a death- 

 rate of 19-9, and Brigliton, with a population of 115,873 and a death-rate 

 of 17-7, are supplied with hard water. 



