194 Obituary Notices of Fellows deceased. 



The induction balance, in conjunction with its 



inventor, Prof. Hughes 1880 



Steel for the manufacture of dies ... ... ... 1881, 1897 



Hardening of steel 1 882 



Density of metals in fluid state ... ... ... 1881-2 



Method of reporting gold assays 1 882 



Rate of wear of coins, in conjunction with Mr. 



R. A. Hill 1883-4 



Art of casting metals ... ... ... ... 1885 



Report on Mints and Assay Offices of the United 



States, in conjunction with the Deputy Master 1885 



Electro-deposition of iron 1886, 1901 



Cost of production of silver ... ... ... 1888 



Eutectic alloys 1890 



Wear of gold coins ... ... ... ... ... 1891 



Diffusion of metals 1895 



Treatment of the surface of silver and bronze 



medals 1897 



Standard trial plates 1899 



Bronze alloys for medals ... ... ... ... 1900 



On the death of Sir Horace Seymour, the late Deputy Master of 

 the Mint, in June last, Sir William Roberts-Austen was appointed to 

 fill the office ad interim, or until his own official connection with the 

 Mint should be severed by resignation. This he had intended should 

 take effect in the spring of the coming year. It may be said, there- 

 fore, that Sir William Roberts- Austen has, at one time or other, filled 

 every office in the Mint which a man of his order could aspire to. 

 And no more convincing testimony to the manner in which he dis- 

 charged his official duties, and no more eloquent proof of how he 

 acquitted himself under the great responsibilities of his position, 

 could be adduced than this single fact. 



Roberts-Austen always cherished, as one of the most treasured 

 memories of his life, the recollection of his early association with the 

 Royal School of Mines, and there was probably no one position he 

 coveted more than its chair of metallurgy, and no incident in his 

 career which gave him more pleasure than his appointment, in 1880, 

 to that chair, in succession to the late Dr. Percy. It was the wish of 

 his heart, had he been spared, that, after his retirement from the 

 Mint, he might spend his remaining years or so many of them as 

 the regulations of the Department would have allowed him to spend 

 in the service of the School. It was possible that he cherished the 

 hope that the erection of the new buildings on the other side of 

 Exhibition Road might have afforded him the opportunity he had 



