When out,
No. 1, Gun Captain, inserts percussion-primer.
No. 11 unships crank.
No. 9 heaves compressor hand taut.
No. 15 ships lever and heaves well taut.
The gun is trained as before.
"FIRE!"
Nos. 7, 11, and 15 man crank, and 9 eases compressor. The above is given for the 1st part of gun's crew; for 2d part substitute next high numbers in each station.