248 Dr. Marcet on an Aluminous Chalybeate Springs ^c. 



INDEX. 



I. 



II. 



III. 



IV. 



V. 



VI. 



VII. 



VIII. 



IX. 



X. 



XI. 



XII. 



XIII. 



XIV, 

 XV. 



XVI. 

 XVII, 



Situation and Natural History of the Spring 



General qualities and specific gravity of the Water 



Preliminary experiments on the effects of Reagents 



Inferences arising from those effects 



Gaseous contents of the water 



Evaporation of the water, and estimation of the quantity 



of solid ingredients 

 Of the different methods of analysis applicable to the 



present inquiry 

 Sulphat of Iron 

 Sulphat of Alumine 

 Sulphat of Lime 



Inferences obtained from the application of Alcohol 

 Sulphat of Magnesia 

 Precipitation of the Sulphuric and Muriatic Acids, with 



a view to ascertain their quantity 

 Sulphat and Muriat of Soda 

 Comparison of the quantities of Acid actually obtained 



from the water by precipitation, with the quantities 



obtained from the precipitation of the bases 

 Silica 

 Conclusion 



