20 Mr. Sturgeon on the Inflammation of Gunpowder 



VII. On the hvflammation ofGunpoiscder aiid other Substances by 

 Electricity ; 'with a Proposal to employ the Term Momentum 

 as expressive of a certain Condition of the Electric Fluid. By 

 Mr. W. Sturgeon. 



To the Editor of the Philosophical Magazine and Journal. 

 Sir,^ 

 CINCE the publication of my paper on the ignition of gun- 

 ^ powder by the electric fluid, I have had an opportunity of 

 perusing Mr. Woodward's paper * on the same subject. But 

 I find that, like all other authors I have yet read, Mr. W. 



* This paper is one of those you so obligingly pointed out to me for 

 perusal ; and appears at page 283. vol. vii. of the new series of the Annals 

 of Philosophy. The two pa|)ers in vol. viii. contain nothing material on 

 the subject. 



has 



