5. What is the use of movable carriages?
They are used for the transportation of the pieces as well as for firing them, and are mounted on large wheels. They are furnished with limbers.
6. Describe the movable carriage.
It consists of two cheeks, connected together and with a stock by assembling bolts. The front part supports the piece, and rests upon an axle-tree furnished with wheels, the rear end of the stock or trail resting on the ground.
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7. What are the cheeks?
The parts of the carriage between which the piece is placed, and upon which the trunnions are supported.
8. What is the wheel composed of?
Of a nave into which the axle-tree enters; of a certain number of spokes fastened in the nave; and a circumference which is composed of a number of fellies equal to half the number of spokes.
9. What is the dish of a wheel?