921 POWDER. 



proving, and the average taken as the mean amount ; 

 for variations frequently happen in fires immediately 

 following each other, although made with consider- 

 able attention. Care should be taken, after every 

 fire, to clean the chamber nicely, or otherwise the 

 foulness left by the preceding discharge would lessen 

 the space, by which the succeeding charge would 

 become proportionally less. 



The best powder for all water shooting, as well as 

 for detonating guns, and particularly in damp wea- 

 ther, is that made by Messrs. Curtis and Mr. Harvey, 

 which we proposed should be distinguished by the 

 name of "gunning * powder." For very large guns 

 the common cannon powder answers much better 

 than the Jine, but not quite so well as this. 



* " Gunning" means wildfowl shooting, which is now quite an 

 obsolete term among the fraternity who understand it. 



