<s>
thumb|Admiralty	O
Fire	O
Control	O
Table	O
in	O
the	O
transmitting	O
station	O
of	O
.The	O
Admiralty	B-Device
Fire	I-Device
Control	I-Device
Table	I-Device
(	O
A.F.C.T.	O
)	O
</s>
<s>
was	O
an	O
electromechanical	O
analogue	O
computer	O
fire-control	B-Application
system	I-Application
that	O
calculated	O
the	O
correct	O
elevation	O
and	O
deflection	O
of	O
the	O
main	O
armament	O
of	O
a	O
Royal	O
Navy	O
cruiser	O
or	O
battleship	B-Application
,	O
so	O
that	O
the	O
shells	O
fired	O
would	O
strike	O
a	O
surface	O
target	O
.	O
</s>
<s>
The	O
AFCT	O
MK	O
1	O
was	O
fitted	O
to	O
and	O
in	O
the	O
early	O
1920s	O
,	O
while	O
the	O
battleships	B-Application
,	O
,	O
and	O
,	O
and	O
the	O
battlecruiser	B-Application
,	O
received	O
Mk	O
VII	O
tables	O
in	O
the	O
late	O
1930s	O
.	O
</s>
<s>
Battleships	B-Application
of	O
the	O
King	O
George	O
V	O
class	O
received	O
a	O
Mk	O
IX	O
table	O
,	O
while	O
received	O
the	O
final	O
variant	O
,	O
the	O
Mk	O
X	O
.	O
</s>
<s>
The	O
AFCT	O
was	O
the	O
successor	O
to	O
the	O
Dreyer	O
tables	O
,	O
developed	O
by	O
Captain	O
(	O
later	O
Admiral	O
)	O
Frederic	O
Charles	O
Dreyer	O
,	O
and	O
the	O
Argo	O
Clock	O
,	O
developed	O
by	O
Arthur	B-Application
Pollen	I-Application
,	O
and	O
received	O
developmental	O
input	O
from	O
both	O
men	O
.	O
</s>
<s>
The	O
Admiralty	B-Device
Fire	I-Device
Control	I-Device
Clock	I-Device
(	O
AFCC	O
)	O
was	O
a	O
simplified	O
version	O
of	O
the	O
AFCT	O
and	O
was	O
used	O
for	O
the	O
local	O
control	O
of	O
main	O
armament	O
and	O
primary	O
control	O
of	O
secondary	O
armament	O
of	O
battleships	B-Application
and	O
cruisers	O
,	O
and	O
the	O
main	O
armament	O
of	O
destroyers	O
and	O
other	O
small	O
vessels	O
.	O
</s>
<s>
The	O
High	B-Device
Angle	I-Device
Control	I-Device
System	I-Device
and	O
Fuze	B-Device
Keeping	I-Device
Clock	I-Device
were	O
used	O
for	O
gunnery	O
control	O
against	O
aircraft	O
.	O
</s>
