<s>
It	O
was	O
a	O
development	O
of	O
the	O
Ferranti	B-Device
Pegasus	I-Device
computer	O
for	O
large-scale	O
data	O
processing	O
.	O
</s>
<s>
Perseus	O
,	O
which	O
was	O
one	O
of	O
Ferranti	O
's	O
computer	O
systems	O
that	O
included	O
Orion	B-Device
and	O
Sirius	B-Device
,	O
was	O
the	O
company	O
's	O
first	O
production	O
machine	O
marketed	O
towards	O
commercial	O
users	O
.	O
</s>
<s>
It	O
used	O
the	O
same	O
electronic	O
technology	O
as	O
the	O
Ferranti	B-Device
Pegasus	I-Device
,	O
similarly	O
engineered	O
.	O
</s>
<s>
The	O
word	O
length	O
was	O
72	O
bits	O
,	O
with	O
160	O
words	O
of	O
random-access	B-Architecture
memory	I-Architecture
provided	O
by	O
single-word	O
nickel	O
acoustic	O
delay	O
lines	O
.	O
</s>
<s>
Unlike	O
Pegasus	B-Device
with	O
its	O
magnetic	B-General_Concept
drum	I-General_Concept
,	O
further	O
internal	O
store	O
was	O
provided	O
by	O
864	O
,	O
16-word	O
delay	O
lines	O
.	O
</s>
