First Shellman, Pumpman, Port guard.6.Second Shellman, Fireman, Port guard.
7.

First Shellman, Second Rifleman.8.Second Shellman, First Rifleman.
1.

Stands at elevating gear wheel and sights and fires the gun.
2.

Stands at the right and beside the breech; opens same after firing so shell can be taken out.
3.

Stands at the left training wheel--i.e., the wheel that moves the gun laterally.