9. The most ignitible materials for percussion caps, and the like.
B. Of Artillery.
1. Classification of guns, according to species, calibre, and the kind of warfare for which they are intended. (Field, siege, and standing artillery.)
2. General qualities to be required of a properly constructed piece of ordnance.
3. Construction of the piece; description of the same according to the various kinds of guns, specifying the use of the different parts. (An exact statement in figures is only called for in reference to the length, weight, and diameter of the piece.)
a. Materials; qualities required of them; enumeration of the materials generally employed.
b. Interior construction of the piece; length of bore, chamber, windage, and touchhole; their influence on the range.
c. External construction of the piece; appliances for pointing and managing it, and connecting it with the gun-carriage.
4. Construction of the gun-carriages; enumeration of the different kinds of the same, according to the description of gun, its destination, and materials.