Something like that:
Deck length 71 feet
Boards breadth 18 f 5 in
Depth of hold 4 f 6 in
Has guns afore.
on gangways ... 2
18-pounds carronades on sides ... 2
12-pounds unicorn type guns ... 4
On the aft gangways the same bore guns ... 1 (4?)
LEGEND
A. Powder-magazine
B. Provision room
C. Cabin
D. Cabin way
E. Deck light
F. Kitchen
G. Captain's cabin
H. Carcass lockers (for incendiary projectiles)
I. Shot lockers (for cannonballs)
K. Gangways for guns
L. Gun rudder (sorry, cannot understand without seeing the illustration)
M. Iron sector with ears wich stays under a gun and controls like a rudder
N. Sectors with oars on them.