.. .. .. .. ..
10-pounder 1 1 * ** .. .. 6 .. .. .. .. .. .. ..
12-pounder 1 1 * ** .. .. 13 .. 7 .. 2 .. .. ..
15-pounder .. .. .. ** 6 .. .. .. .. .. .. .. .. ..
16-pounder 3 .. .. ** .. .. 2 1 .. .. 8 .. .. ..
18-pounder .. 1 .. .. 4 1 7 .. .. .. .. .. 4 ..
24-pounder .. .. .. .. 2 .. 7 .. 32 .. 10 .. 5 ..
33-pounder .. .. .. .. .. 1 .. .. .. .. .. .. .. ..
36-pounder .. .. .. 1 .. .. .. 1 .. .. .. .. .. ..
40-pounder .. 1 .. .. .. .. .. .. .. .. .. .. .. ..
24-pounder
field
howitzer .. .. .. .. .. .. .. .. .. .. .. .. 2 2
6-in.
howitzer .. .. .. .. .. .. .. .. .. .. .. 2 .. 2
8-in.
howitzer .. .. .. .. .. .. .. .. .. 2 .. .. .. ..
Small
mortar .. .. .. .. .. .. .. 18 .. 20 .. .. .. ..
6-in.
mortar .. .. .. .. .. .. .. .. .. .. .. 1 .. 1
10-in.
mortar .. .. .. .. .. .. .. .. .. .. .. .. .. 1
Large
mortar .. .. .. .. .. .. .. 6 .. 1 .. .. .. ..
Stone
mortar 2 .. .. .. .. .. .. .. .. .. .. 3 .. ..

Total 20 9 26 9 55 10 40 37 39 24 26 8 14 6

Grand total 29 35 65 77 63 34 20

* 26 guns from 4- to 10-pounders

** 8 guns from 2- to 16-pounders

This tabulation reflects contemporary conditions quite clearly. The
most serious invasions of Spanish Florida took place during the first
half of the eighteenth century, precisely the time when the Castillo
armament was strongest. While most of the guns were in battery
condition, the table does have some pieces rated only fair and may
also include a few unserviceables. Colonial isolation meant that
ordnance often served longer than the normal 1,200-round life of an
iron piece. A usual failure was the development of cracks around the
vent or in the bore. Sometimes a muzzle blew off. The worst casualties
of the 1702 siege came from the bursting of an iron 16-pounder which
killed four and seriously wounded six men. At that period,
incidentally, culverins were the only guns with the range to reach the
harbor bar some 3,000 yards away.

Although when the Spanish left Florida to Britain in 1763 they took
serviceable cannon with them, two guns at Castillo d