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LV. Analyses of the Bath Waters and of the Bristol Hotvoell 

 Water. By William Herapath, Esq. 

 To the Editors of the Philosophical Magazine and Journal. 

 Gentlemen, 

 IJAVING been applied to by one of our public bodies for 

 A the two accompanying analyses, I have been reminded 

 by the circumstance that they have not appeared in any of 

 our periodical journals. I therefore forward them to you for 

 insertion, and 



I remain, Gentlemen, 

 Mansion House, Old Park, Bristol, Your obedient Servant, 



April 15, 1844. WlLLIAM HERAPATH. 



Bath Waters*. 



King's Bath, temperature of the source 114° Fahr., contents 



of an imperial gallon of 70,000 grs. 



grains. 

 Chloride of magnesium .... 5*976 



Chloride of sodium 16*848 



Sulphate of magnesia .... 7*456 



Sulphate of soda 10*672 



Bicarbonate of lime 8*152 



Bicarbonate of iron *240 



Bicarbonate of magnesia . . . trace 



Sulphate of lime 90*480 



Silica 1*760 



141-584 

 Specimen taken July 1836. 



Bristol Hofrwell Water. 

 Contents of an imperial gallon of 70,000 grs. 

 Carbonic acid gas. . 8*75 cubic inches. 



Nitrogen gas . . . 6'56 ... grains . 



Chloride of magnesium 2*180 



Nitrate of magnesia £*909 



Chloride of sodium 5*891 



Sulphate of soda 3*017 



Sulphate of magnesia . ....... 1*267 



Carbonate of lime existing as bicarbonate . 1 7*700 



magnesia ... ... . *660 



iron «103 



Bitumen *150 



Sulphate of lime ......... 9*868 



Silica «270 



44*015 

 Specimen taken January 1843. 



* Mr. R. Phillips's Analysis of the Bath Waters will be found in Phil. 

 Mag. vol. xxiv. p. 342. — Edit. 



2 B2 



