<s>
The	O
F24	B-Algorithm
camera	I-Algorithm
is	O
a	O
1920s	O
British	O
camera	O
used	O
for	O
aerial	O
reconnaissance	O
by	O
British	O
and	O
Allied	O
armed	O
forces	O
into	O
the	O
mid-1950s	O
.	O
</s>
<s>
The	O
outline	O
design	O
of	O
the	O
F24	B-Algorithm
camera	I-Algorithm
was	O
carried	O
out	O
by	O
the	O
Royal	O
Aircraft	O
Establishment	O
at	O
Farnborough	O
,	O
and	O
it	O
was	O
introduced	O
in	O
1925	O
.	O
</s>
