The Action, of Metals y &c.y on India-rubber, 269 



Ammonium Sulphate. 



Aluminium Chlorate. 



„ Chloride. 



Zinc Chromate. 



„ Carbonate. 



„ Nitrate. 



Potassium Chromate. 



„ Oxide. 



„ Bichromate. 



„ Sulphate. 



„ Cyanide. 



Ferric Chloride. 



„ Acetate. 



„ Acetate. 



„ Carbonate. 



Manganese Chloride. 



„ Chlorate. 



Cobalt Chloride. 



„ Iodide. 



Nickel Chloride. 



„ Nitrate. 



„ Nitrate. 



„ Sulphate. 



Thallium Chloride. 



Sodium Sulphate. 



Mercury Bichloride. 



„ Sulphite. 



„ Iodide. 



„ Chloride. 



Arsenious Acid. 



. „ Carbonate. .. 



Arsenic Acid. 



Lithium Carbonate. 



Bismuth Nitrate. 



„ Chloride. 



„ Oxide. 



„ Salicylate. 



Cadmium Bromide. 



E-ubidium Chloride, 



„ Chloride. 



Barium Nitrate. 



„ Iodide. 



„ Chloride. 



„ Nitrate. 



Magnesia. 



,, Sulphate. 



Magnesium Sulphate. 



Lead Chloride. 



Chloride. 



„ Oxalate. 



Calcium Carbonate, 



Tin Protochloride. 



„ Chloride. 



„ Protoxide. 



Strontium Chloride. 



Palladium Chloride. 



„ Acetate. 



Gold Chloride. 



Aluminium Sulphate. 





Effects of Minute quantities of Copper Salts on 

 India-rubber. 



We next directed our attention to the influence of minute 

 quantities of the salts of copper on india-rubber. We took 



