32 
of suitable apparatus whereby the solvent could be recovered from each 
operation with very little loss. It was for this reason that I con- 
sidered a properly furnished faetory to be essential to success; and, as 
I have stated, the Government was prepared to sanction the expenditure 
necessary for this purpose. 
* At this time then the arrangements were matured for starting a 
factory and putting the fusel oil process in operation. But at the same 
riod there were reasons of a personal kind which made me anxious to 
return to England, and on this account I wished to tender my resignation. 
It seemed to me a suitable time for taking this step, because any 
successor to my appointment having to take the superintendence and 
control of the manufacture would naturally prefer that the factory and 
its appliances should be arranged under his own direction. Some 
informal correspondence on these points passed between the Lieutenant- 
Governor and myself, in which Sir Ashley Eden at first very kindly 
asked me to reconsider the course I wished to take; but ultimately my 
It was suggested that the Secretary of State 
would possibly select a young chemist for the appointment, who would 
be willing to take up and'earry out ihe plans already made for starting 
k with him on the 
subject for a time in London, and render him what assistance I could 
in acquiring information that might be useful to him in putting the 
‘ocess into operation. 
the employment of mineral oils in the extraction of quinine. The use 
of these agents h ed dia. 
) prineipal quinine factories of 
Europe, a process of extraction with mineral oil was being employed. 
Indeed, the oil process had largely superseded all others. T found that 
the 
country, but I began to see thé way to a further simplification i 
san tc | plification in the 
method of employing it. In the process I had selected in India, fusel 
oil alone was used as the solvent. It now occurred to me that by 
d ege it with em liquid hydrocarbon a considerable 
improvement would result. In this case the fi i 
active solvent; but the Peer wena ra 
hydrocarbon, such, for instance, as any mineral oil or naphtha, would 
exclude some of the impurities otherwise taken up by the fusel oil when 
