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gentleman who at prefent fuperintends the manufadory and proof 

 of government powder, from whofe acknowledged abilities I 

 prognofticate confiderable improvement in this valuable compo- 

 fition, which, though become eflential in war, and of confequent 

 importance in commerce, affords ample room for melioration. 



I WILL no longer trefpafs on your lordfhip's attention, but 

 fubmit this paper to your entire difpofal, confcious that it has 

 more to hope from the partiality of friendfhip, than to claim from 

 the juftice of fciencc. 



I have the honour, &c. 



