268 



On the Liquation of Silver-Copper Alloys. [Mar. 15, 



No liquation of silver to the centre. 



I ultimately reduced the thickness of the mould to 4 mm., and 

 a bar into this, with the results shown in diagrams C and C'. 



RESULT C. 



925 



025-2 



925-1 



9Z5-I 



925-1 



Average, 925 '14. 

 Maximum variation, 0*1 per mille. 



RESULT C 7 . 

 (0 rolled laterally to one mm. thickness.) 



O 



924 9 



O 

 923 



O 



925 



O 



025-1 



O 



925-2 



O 

 825 



& 



O 



9129 



O 

 923 



Average, 925-02. 



