198 THE EARL OF BERKELEY, MR. E. G. J. HARTLEY AND DR. C. V. BURTON: 



These two experiments were of the nature of preliminary experiments ; the data 

 for calculating the density of the solution filling the compressibility tube were not 

 obtained, nor was great care taken to avoid concentrating the solutions while 



" boiling " off the dissolved air. 



TABLE IV. 



^ This experiment was not finished owing to breakage. 



t This experiment was made on a solution which was not freed from air at all, and, on plotting the 

 several results, it appears to come on the curve, from which it would seem that dissolved air has no 

 appreciable influence on the coefficient. 



