<s>
The	O
ALWAC	B-Device
III-E	I-Device
was	O
an	O
early	O
commercial	O
vacuum-tube	B-Device
computer	I-Device
employing	O
a	O
rotating	O
magnetic	B-General_Concept
drum	I-General_Concept
main	O
storage	O
unit	O
,	O
operational	O
in	O
1955	O
.	O
</s>
<s>
The	O
invention	O
of	O
the	O
ALWAC	B-Device
III-E	I-Device
is	O
attributed	O
to	O
Axel	O
Wenner-Gren	O
,	O
and	O
the	O
name	O
is	O
derived	O
from	O
Axel	O
Leonard	O
Wenner-Gren	O
Automatic	O
Computer	O
,	O
letter	O
E	O
stands	O
for	O
the	O
E-register	O
(	O
index	B-General_Concept
register	I-General_Concept
)	O
.	O
</s>
<s>
The	O
ALWAC	B-Device
III-E	I-Device
contained	O
132	O
–	O
275	O
vacuum	O
tubes	O
,	O
5000	O
–	O
5400	O
silicon	O
diodes	O
,	O
and	O
cost	O
$	O
60,000	O
–	O
$	O
80,000	O
.	O
</s>
<s>
An	O
ALWAC	B-Device
III-E	I-Device
was	O
installed	O
at	O
the	O
University	O
of	O
British	O
Columbia	O
in	O
March	O
1957	O
and	O
remained	O
in	O
service	O
until	O
October	O
1961	O
.	O
</s>
<s>
An	O
ALWAC	B-Device
III-E	I-Device
was	O
installed	O
by	O
the	O
CIA	O
in	O
September	O
,	O
1957	O
in	O
the	O
offices	O
of	O
the	O
Photographic	O
Intelligence	O
Division	O
.	O
</s>
<s>
In	O
1960	O
Wenner-Gren	O
Centre	O
Foundation	O
donated	O
a	O
Wegematic	O
1000	O
(	O
based	O
on	O
ALWAC	B-Device
III-E	I-Device
)	O
computer	O
to	O
the	O
University	O
of	O
Turku	O
in	O
Turku	O
,	O
Finland	O
.	O
</s>
