ON WORK ON GUN BARRELS 140
Boring Gun Barrels 140
How to Make Cutters for Boring 141
Quick Boring Gun Barrels 141
Proving the Size During Boring 142
Draw Boring 142
Choke Boring 143
Choke Dressing 144
Barrels Most Suitable for Choke Boring 145
Freeing Gun Barrels 145
Another Method 146
Finishing Muzzles of Gun Barrels 147
Old Method of Straightening Barrels 148
The New Method 148
Another Method 153
Fitting Barrels Together 153
Joining Barrels Together 156
Soldering Barrels Together 157
Why Not Brase Barrels 158
Percussioning 159
Finishing Nipple Seat 161
The Vent in Percussion Guns 162
The Patent Breech 163
Form of the Chamber or Cup 164