210 



THE EARL OF BERKELEY ON SOME 



RUBIDIUM Sulphate. 



The solubilities were determined by evaporating to dryness in platinum crucibles 

 those at the boiling-point in Jena glass bulbs. 



CAESIUM Sulphate. 



The solubilities were determined by evaporating to dryness in the Jena glass 

 bulbs. 



