DUCK GUNS. 



279 



Subjoined is another trial, made in 1820, between the smallest 

 sized duck guns, and fourteen gauge double guns (at thirty-eight 

 yards), with twelve sheets of thickest brown paper put up afresh for 

 each shot. 



GENERAL REMARKS A damp, windy day; and therefore much against the 

 force of powder. The eighth part of a sheet of letter paper was pasted on every 

 front sheet, as a bull's eye ; and, on an average, received about five grains of shot. 

 All the barrels were made by Charles Lancaster, except the one of Mr. D. Egg, and 

 were well worked and dirtied previously to being tried. The same measure of powder 

 as of shot. 



* On Mr. Joseph Manton's first principle, which was discarded from being so 

 troublesome to clean ; and which owed much of its strength to having more weight 

 of metal ; and so small a vent-hole, that it was repeatedly missing fire, 



t Recoiled severely, if loaded higher, from being too short in proportion to the 



