APPENDIX.—A. 477 
of shot ; or I will alter them to suit purchaser, free of charge, if re- 
quired after trial. : 
Of whatever price the gun is, I will have it shoot well,! when i 
leaves me, but the finer stuff holds out the longer, resisting the affinity 
of lead to the barrels, as well as the corrosive qualities of gunpowder ; 
hence my preference to steel barrels, or next to them, the steel mix- 
ture, 
' Thave recently got word of fellow in San Francisco, Cal., who 
has actually sold guns there, to friends of mine, as though they came 
from me, he pretending to act as my agent. I may here state to you, 
I have no agent, nor is any new gun, having my name on it, genuine, 
unless purchased of myself. 
T have put the fellow in the hands of an attorney to settle with 
him, the same attorney being one of the men imposed on, by a sham 
gun, purporting to have come from me. 
I herein send you a table of the comparative strength of gun- 
barrels, of various kinds of metals, as fully authenticated by experi- 
ments in proof. 
You will perceive the laminated steel barrels stand first for 
strength, and stub and steel mixture next, and preserve their cleanli- 
ness, 
Equal to a Pressure of Surplus 
pressure of proof charge. strength. 
Laminated steel, 6022 Ibs. 1700 Ibs. 4322 lbs. 
Best stub and steel mixture,| 5555 1700 3855 
Wire twist, 50194 1700 33194 
Stub twist, 4818 1700 3118 
Charcoal iron, 4526 1700 2826 
Threepenny skelp iron, 3841 1700 2141 
Damascus iron, 3292 1700 1592 
Twopenny skelp iron, 2840 1700 1140 
I am, dear sir, yours respectfully, 
Joun Moti. 
No. 16 Ann st., New York. 
