<s>
SPEEDAC	B-Device
,	O
the	O
SPErry	O
Electronic	O
Digital	O
Automatic	O
Computer	O
,	O
was	O
an	O
early	O
digital	O
computer	O
built	O
by	O
Sperry	O
Corporation	O
in	O
1953	O
.	O
</s>
<s>
It	O
used	O
800	O
vacuum	O
tubes	O
and	O
had	O
magnetic	B-General_Concept
drum	I-General_Concept
storage	O
of	O
4096	O
18-bit	B-General_Concept
words	O
.	O
</s>
