JOURNAL 



or 



NATURAL PHILOSOPHY, CHEMISTRY, 



AND 



THE ARTS. 



MARCH, 1811. 



ARTICLE L 



€n the Motion of Rockets both in Nonresisting and Resisting 

 Mediums. By W. Moore, Efq. 



(Covtinuedfrom vol XXFIL, p. 285.^ 



To Mr. NICHOLSON. 



Sir, 



N iTjy last paper on Rockets I ascribed the invention of inYention of 

 those now used by the English to Colonel Congreve :— My "^""^^X f^ck" 

 asseition rests in the fact that this gentleman has been 

 rewarded by government for the discovery; and my bwn 

 conviction, that, anterior to such reward being granted, 



VouXXVIil. No. 12d.— Mae. 1911. M a proper 



