<s>
The	O
IBM	B-Device
738	I-Device
was	O
IBM	O
's	O
first	O
core	B-General_Concept
memory	I-General_Concept
unit	O
to	O
use	O
transistorized	O
sense	O
amplifier	O
circuits	O
.	O
</s>
<s>
Designed	O
in	O
1955	O
for	O
the	O
IBM	B-Device
704	I-Device
,	O
it	O
used	O
vacuum	O
tubes	O
for	O
all	O
other	O
circuits	O
,	O
and	O
provided	O
a	O
capacity	O
of	O
32768	O
-	O
36-bit	O
words	O
.	O
</s>
<s>
It	O
was	O
also	O
used	O
in	O
the	O
later	O
IBM	B-Device
709	I-Device
.	O
</s>
