The breech-plate.
The knob.
The neck.
Base-ring.
Cylinder.
Chase.
Loop, with hole for bolt.
Lock-lugs.
Mass-sight.
Mass for breech-sight.

The Bore includes all the part bored out, viz.:

Cylinder of bore.
Chamber.

These guns must not be polished bright.

BOAT-CARRIAGE COMPLETE, consists of—

Bed.
Slide.
Compressor-plate.
Compressor-bolts.
Compressor-handles.
Lugs for loop.

FIELD-CARRIAGE COMPLETE, consists of—

Axle.
Trail.
Braces.
Supports for transporting boxes.
Lugs for loop.
Trail-wheel or runner.
Bolt for trail-wheel or runner.
Socket for handspike.
Elevator.
Disk of elevator.
Box for elevator.

D. Van Nostrand Publisher. Julius Bien, pr.