<s>
Arthur	B-Application
Joseph	I-Application
Hungerford	I-Application
Pollen	I-Application
(	O
13	O
September	O
1866	O
–	O
28	O
January	O
1937	O
)	O
was	O
an	O
English	O
journalist	O
,	O
businessman	O
,	O
and	O
commentator	O
on	O
naval	O
affairs	O
who	O
devised	O
a	O
new	O
computerised	O
fire-control	B-Application
system	I-Application
for	O
use	O
on	O
battleships	B-Application
prior	O
to	O
the	O
First	O
World	O
War	O
.	O
</s>
<s>
His	O
most	O
important	O
technical	O
innovation	O
was	O
one	O
of	O
the	O
world	O
's	O
first	O
electrically-powered	O
analogue	O
computers	O
,	O
patented	O
as	O
the	O
Argo	O
Clock	O
:	O
a	O
differential	B-Device
analyser	I-Device
which	O
enabled	O
big	O
guns	O
to	O
engage	O
with	O
long-range	O
targets	O
when	O
both	O
ships	O
were	O
moving	O
at	O
speed	O
in	O
different	O
directions	O
.	O
</s>
<s>
Kelvin	O
's	O
brother	O
James	O
Thomson	O
was	O
responsible	O
for	O
producing	O
a	O
tidal	O
analyser	O
using	O
a	O
ball	O
,	O
disc	O
and	O
cylinder	O
differential	B-Device
analyser	I-Device
which	O
was	O
the	O
original	O
source	O
of	O
the	O
suggested	O
analogue	O
computer	O
.	O
</s>
<s>
The	O
nature	O
of	O
Pollen	O
's	O
work	O
involved	O
close	O
cooperation	O
with	O
the	O
Navy	O
,	O
and	O
upon	O
Dreyer	O
's	O
appointment	O
as	O
Assistant	O
to	O
the	O
DNO	O
with	O
responsibility	O
for	O
fire-control	B-Application
he	O
was	O
invited	O
to	O
view	O
Pollen	O
's	O
Linotype	O
works	O
at	O
Broadheath	O
,	O
near	O
Altrincham	O
.	O
</s>
<s>
Dreyer	O
began	O
producing	O
his	O
own	O
fire-control	B-Application
computer	I-Application
.	O
</s>
<s>
The	O
fundamental	O
difference	O
between	O
the	O
systems	O
was	O
that	O
the	O
Dreyer	O
system	O
was	O
a	O
"	O
dual	O
rate	O
"	O
approach	O
that	O
plotted	O
ranges	O
and	O
bearings	O
separately	O
,	O
versus	O
time	O
rather	O
than	O
using	O
a	O
single	O
rangefinder	O
to	O
take	O
both	O
ranges	O
and	O
bearings	O
to	O
drive	O
the	O
drawing	O
of	O
a	O
plan	O
view	O
of	O
own	O
and	O
target	O
ships	O
,	O
as	O
in	O
the	O
Argo	B-Application
system	I-Application
.	O
</s>
<s>
The	O
war	O
also	O
interrupted	O
negotiations	O
which	O
had	O
begun	O
with	O
foreign	O
navies	O
aimed	O
at	O
selling	O
the	O
Argo	B-Application
system	I-Application
to	O
them	O
.	O
</s>
<s>
Writing	O
for	O
the	O
'	O
Westminster	O
Gazette	O
 '	O
he	O
attempted	O
to	O
stress	O
the	O
strategic	O
result	O
of	O
the	O
engagement	O
,	O
that	O
the	O
German	O
fleet	O
had	O
fled	O
from	O
the	O
Grand	B-Application
Fleet	I-Application
.	O
</s>
<s>
In	O
June	O
1917	O
Pollen	O
embarked	O
on	O
a	O
visit	O
to	O
America	O
to	O
discuss	O
possible	O
sales	O
of	O
Argo	B-Application
systems	I-Application
.	O
</s>
<s>
Pollen	O
became	O
extremely	O
critical	O
of	O
the	O
actions	O
of	O
the	O
British	O
Grand	B-Application
Fleet	I-Application
,	O
in	O
particular	O
as	O
commanded	O
by	O
Jellicoe	O
.	O
</s>
