<s>
The	O
TX-2	B-Device
Tape	I-Device
System	I-Device
was	O
a	O
magnetic	B-Architecture
tape	I-Architecture
data	I-Architecture
storage	I-Architecture
technology	O
from	O
the	O
late	O
1950s	O
.	O
</s>
<s>
This	O
redundant	O
track	O
scheme	O
was	O
previously	O
used	O
on	O
the	O
MIT	B-Device
Whirlwind	I-Device
tape	O
system	O
.	O
</s>
