<s>
Filmo	B-Algorithm
is	O
a	O
series	O
of	O
16mm	O
and	O
8mm	O
movie	O
equipment	O
made	O
by	O
the	O
Bell	O
&	O
Howell	O
Company	O
.	O
</s>
<s>
The	O
Filmo	B-Algorithm
camera	O
series	O
started	O
with	O
the	O
1923	O
Filmo	B-Algorithm
70	O
,	O
beginning	O
a	O
series	O
of	O
models	O
built	O
on	O
the	O
same	O
basic	O
body	O
that	O
was	O
to	O
be	O
continued	O
for	O
more	O
than	O
half	O
a	O
century	O
.	O
</s>
<s>
When	O
invited	O
(	O
along	O
with	O
Victor	B-General_Concept
)	O
into	O
Kodak	O
's	O
16mm	O
plans	O
in	O
1920	O
,	O
the	O
company	O
was	O
quick	O
to	O
see	O
the	O
advantages	O
and	O
immediately	O
set	O
about	O
redesigning	O
the	O
17.5mm	O
camera	O
for	O
16mm	O
film	O
.	O
</s>
<s>
The	O
Filmo	B-Algorithm
70	O
was	O
the	O
first	O
spring	O
motor-driven	O
16mm	O
camera	O
.	O
</s>
<s>
In	O
1925	O
the	O
Eyemo	B-Algorithm
,	O
a	O
hand-held	O
35mm	O
camera	O
based	O
on	O
the	O
design	O
of	O
the	O
Filmo	B-Algorithm
70	O
was	O
offered	O
.	O
</s>
<s>
A	O
beautifully	O
ornate	O
and	O
much	O
more	O
compact	O
16mm	O
camera	O
,	O
the	O
Filmo	B-Algorithm
75	O
,	O
marketed	O
primarily	O
as	O
a	O
"	O
watch-thin	O
"	O
ladies	O
 '	O
camera	O
,	O
was	O
offered	O
in	O
1928	O
,	O
followed	O
in	O
1931	O
by	O
a	O
nearly	O
identical	O
counterpart	O
designated	O
as	O
the	O
Filmo	B-Algorithm
Field	O
Camera	O
,	O
offered	O
initially	O
in	O
a	O
plain	O
covering	O
,	O
but	O
also	O
available	O
with	O
the	O
ornate	O
decorations	O
of	O
the	O
Model	O
75	O
,	O
and	O
in	O
that	O
form	O
indistinguishable	O
from	O
the	O
earlier	O
version	O
except	O
for	O
the	O
nameplate	O
.	O
</s>
<s>
The	O
first	O
8mm	O
Filmo	B-Algorithm
was	O
offered	O
in	O
1935	O
as	O
a	O
single	O
run	O
8mm	O
film	O
camera	O
,	O
the	O
Filmo	B-Algorithm
127-A	O
called	O
Straight	O
Eight	O
.	O
</s>
<s>
The	O
16mm	O
Filmo	B-Algorithm
cameras	O
all	O
take	O
16mm	O
film	O
on	O
a	O
daylight	O
spool	O
,	O
although	O
some	O
versions	O
can	O
also	O
take	O
external	O
magazines	O
.	O
</s>
<s>
A	O
crystal-sync	O
motor	O
was	O
developed	O
for	O
the	O
Eyemo	B-Algorithm
and	O
later	O
adapted	O
to	O
the	O
Filmo	B-Algorithm
.	O
</s>
<s>
Early	O
versions	O
(	O
The	O
Filmo	B-Algorithm
70A	O
and	O
70C	O
)	O
were	O
designed	O
for	O
two	O
or	O
three	O
speeds	O
,	O
either	O
8-16	O
frame/s	O
,	O
16-32	O
frame/s	O
,	O
12-16-24	O
frame/s	O
or	O
16-24-32	O
frame/s	O
.	O
</s>
<s>
Most	O
varieties	O
are	O
very	O
common	O
,	O
but	O
special	O
models	O
like	O
the	O
Model	O
70-B	O
,	O
and	O
the	O
70-DB	O
(	O
Golf	O
Model	O
,	O
1931	O
)	O
are	O
quite	O
rare	O
,	O
and	O
the	O
Filmo	B-Algorithm
70-AC	O
Morgana	O
Color	O
System	O
camera	O
(	O
1932	O
)	O
,	O
while	O
advertised	O
briefly	O
,	O
is	O
unknown	O
in	O
any	O
extant	O
examples	O
and	O
may	O
never	O
have	O
gone	O
past	O
the	O
prototype	O
stage	O
.	O
</s>
