AND RATIO OF THEIR ATOMK! WKKillTS. 



31 



weiirlits aud tbe kilogramme is ot" course to uiake tlie unit of weiiilit and tlie unit 

 of volume concordant. The true value of tbe weights is a matter ol' indifference. 



The values of all the weights of the two sets, assuming the kilogi-amiue as tlie 

 standard of reference, are given below. The table shows the values of the brass 

 weights at the tw() dates at which they were compared, as it may be of intei'est to 

 know the amount of tlie change to which lacquered brass weiglits arc liable, even 

 when used l)ut little and with extreme care. 



VALUES OF WF.IGHTS OK SET MARKED K IN I<S87 AND IN 1 892. 



VALUES OF rHE FRACTIONS OF THE GRAMME IN SETS MARKED K AND li. 



Set K 



Sel I?. 



1887 



me. 



1887 



1892 



mg. 



19. RESULTS AND REDUCTION. 



The following table gives the results obtained by this method, togetlier \vith 

 the values of the density of oxygen computed by the formula 



V P 1 ^ 



.003674 1 ) ^'*' 



